20179320420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:459

約数の個数: 384

約数和(自身を含む): 68692377600

約数和(自身を除く): 48513057180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 59, 60, 62, 70, 84, 93, 105, 109, 118, 124, 140, 155, 177, 186, 210, 217, 218, 236, 241, 295, 310, 327, 354, 372, 413, 420, 434, 436, 465, 482, 545, 590, 620, 651, 654, 708, 723, 763, 826, 868, 885, 930, 964, 1085, 1090, 1180, 1205, 1239, 1302, 1308, 1446, 1526, 1635, 1652, 1687, 1770, 1829, 1860, 2065, 2170, 2180, 2289, 2410, 2478, 2604, 2892, 3052, 3255, 3270, 3374, 3379, 3540, 3615, 3658, 3815, 4130, 4340, 4578, 4820, 4956, 5061, 5487, 6195, 6431, 6510, 6540, 6748, 6758, 7230, 7316, 7471, 7630, 8260, 8435, 9145, 9156, 10122, 10137, 10974, 11445, 12390, 12803, 12862, 13020, 13516, 14219, 14460, 14942, 15260, 16870, 16895, 18290, 19293, 20244, 20274, 21948, 22413, 22890, 23653, 24780, 25305, 25606, 25724, 26269, 27435, 28438, 29884, 32155, 33740, 33790, 36580, 37355, 38409, 38586, 40548, 42657, 44826, 45017, 45780, 47306, 50610, 50685, 51212, 52297, 52538, 54870, 56876, 64015, 64310, 67580, 70959, 71095, 74710, 76818, 77172, 78807, 85314, 89652, 90034, 94612, 96465, 99533, 101220, 101370, 104594, 105076, 109740, 112065, 118265, 128030, 128620, 131345, 135051, 141918, 142190, 149420, 153636, 156891, 157614, 170628, 180068, 183883, 192045, 192930, 199066, 199361, 202740, 209188, 213285, 224130, 225085, 236530, 256060, 261485, 262690, 270102, 283836, 284380, 298599, 313782, 315228, 354795, 367766, 384090, 385860, 394035, 398132, 398722, 426570, 440789, 448260, 450170, 473060, 497665, 522970, 525380, 540204, 551649, 597198, 598083, 627564, 675255, 709590, 735532, 768180, 784455, 788070, 797444, 814339, 853140, 881578, 900340, 919415, 995330, 996805, 1045940, 1103298, 1194396, 1196166, 1322367, 1350510, 1395527, 1419180, 1492995, 1549871, 1568910, 1576140, 1628678, 1763156, 1838830, 1990660, 1993610, 2203945, 2206596, 2392332, 2443017, 2644734, 2701020, 2758245, 2791054, 2985990, 2990415, 3085523, 3099742, 3137820, 3257356, 3677660, 3987220, 4071695, 4186581, 4407890, 4649613, 4886034, 5289468, 5516490, 5582108, 5700373, 5971980, 5980830, 6171046, 6199484, 6611835, 6977635, 7749355, 8143390, 8373162, 8815780, 9256569, 9299226, 9772068, 10849097, 11032980, 11400746, 11961660, 12215085, 12342092, 13223670, 13955270, 15427615, 15498710, 16286780, 16746324, 17101119, 18513138, 18598452, 20932905, 21698194, 22801492, 23248065, 24430170, 26447340, 27910540, 28501865, 30855230, 30997420, 32547291, 34202238, 37026276, 41865810, 43396388, 46282845, 46496130, 48046001, 48860340, 54245485, 57003730, 61710460, 65094582, 68404476, 83731620, 85505595, 92565690, 92992260, 96092002, 108490970, 114007460, 130189164, 144138003, 162736455, 171011190, 185131380, 192184004, 216981940, 240230005, 288276006, 325472910, 336322007, 342022380, 480460010, 576552012, 650945820, 672644014, 720690015, 960920020, 1008966021, 1345288028, 1441380030, 1681610035, 2017932042, 2882760060, 3363220070, 4035864084, 5044830105, 6726440140, 10089660210, 20179320420]

約数ペア:

[(1, 20179320420), (2, 10089660210), (3, 6726440140), (4, 5044830105), (5, 4035864084), (6, 3363220070), (7, 2882760060), (10, 2017932042), (12, 1681610035), (14, 1441380030), (15, 1345288028), (20, 1008966021), (21, 960920020), (28, 720690015), (30, 672644014), (31, 650945820), (35, 576552012), (42, 480460010), (59, 342022380), (60, 336322007), (62, 325472910), (70, 288276006), (84, 240230005), (93, 216981940), (105, 192184004), (109, 185131380), (118, 171011190), (124, 162736455), (140, 144138003), (155, 130189164), (177, 114007460), (186, 108490970), (210, 96092002), (217, 92992260), (218, 92565690), (236, 85505595), (241, 83731620), (295, 68404476), (310, 65094582), (327, 61710460), (354, 57003730), (372, 54245485), (413, 48860340), (420, 48046001), (434, 46496130), (436, 46282845), (465, 43396388), (482, 41865810), (545, 37026276), (590, 34202238), (620, 32547291), (651, 30997420), (654, 30855230), (708, 28501865), (723, 27910540), (763, 26447340), (826, 24430170), (868, 23248065), (885, 22801492), (930, 21698194), (964, 20932905), (1085, 18598452), (1090, 18513138), (1180, 17101119), (1205, 16746324), (1239, 16286780), (1302, 15498710), (1308, 15427615), (1446, 13955270), (1526, 13223670), (1635, 12342092), (1652, 12215085), (1687, 11961660), (1770, 11400746), (1829, 11032980), (1860, 10849097), (2065, 9772068), (2170, 9299226), (2180, 9256569), (2289, 8815780), (2410, 8373162), (2478, 8143390), (2604, 7749355), (2892, 6977635), (3052, 6611835), (3255, 6199484), (3270, 6171046), (3374, 5980830), (3379, 5971980), (3540, 5700373), (3615, 5582108), (3658, 5516490), (3815, 5289468), (4130, 4886034), (4340, 4649613), (4578, 4407890), (4820, 4186581), (4956, 4071695), (5061, 3987220), (5487, 3677660), (6195, 3257356), (6431, 3137820), (6510, 3099742), (6540, 3085523), (6748, 2990415), (6758, 2985990), (7230, 2791054), (7316, 2758245), (7471, 2701020), (7630, 2644734), (8260, 2443017), (8435, 2392332), (9145, 2206596), (9156, 2203945), (10122, 1993610), (10137, 1990660), (10974, 1838830), (11445, 1763156), (12390, 1628678), (12803, 1576140), (12862, 1568910), (13020, 1549871), (13516, 1492995), (14219, 1419180), (14460, 1395527), (14942, 1350510), (15260, 1322367), (16870, 1196166), (16895, 1194396), (18290, 1103298), (19293, 1045940), (20244, 996805), (20274, 995330), (21948, 919415), (22413, 900340), (22890, 881578), (23653, 853140), (24780, 814339), (25305, 797444), (25606, 788070), (25724, 784455), (26269, 768180), (27435, 735532), (28438, 709590), (29884, 675255), (32155, 627564), (33740, 598083), (33790, 597198), (36580, 551649), (37355, 540204), (38409, 525380), (38586, 522970), (40548, 497665), (42657, 473060), (44826, 450170), (45017, 448260), (45780, 440789), (47306, 426570), (50610, 398722), (50685, 398132), (51212, 394035), (52297, 385860), (52538, 384090), (54870, 367766), (56876, 354795), (64015, 315228), (64310, 313782), (67580, 298599), (70959, 284380), (71095, 283836), (74710, 270102), (76818, 262690), (77172, 261485), (78807, 256060), (85314, 236530), (89652, 225085), (90034, 224130), (94612, 213285), (96465, 209188), (99533, 202740), (101220, 199361), (101370, 199066), (104594, 192930), (105076, 192045), (109740, 183883), (112065, 180068), (118265, 170628), (128030, 157614), (128620, 156891), (131345, 153636), (135051, 149420), (141918, 142190)]