20578222440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{2477}}^1$

素因数の和:3032

約数の個数: 192

約数和(自身を含む): 68468924160

約数和(自身を除く): 47890701720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 491, 564, 705, 846, 940, 982, 1128, 1410, 1473, 1692, 1880, 1964, 2115, 2455, 2477, 2820, 2946, 3384, 3928, 4230, 4419, 4910, 4954, 5640, 5892, 7365, 7431, 8460, 8838, 9820, 9908, 11784, 12385, 14730, 14862, 16920, 17676, 19640, 19816, 22095, 22293, 23077, 24770, 29460, 29724, 35352, 37155, 44190, 44586, 46154, 49540, 58920, 59448, 69231, 74310, 88380, 89172, 92308, 99080, 111465, 115385, 116419, 138462, 148620, 176760, 178344, 184616, 207693, 222930, 230770, 232838, 276924, 297240, 346155, 349257, 415386, 445860, 461540, 465676, 553848, 582095, 692310, 698514, 830772, 891720, 923080, 931352, 1038465, 1047771, 1164190, 1216207, 1384620, 1397028, 1661544, 1746285, 2076930, 2095542, 2328380, 2432414, 2769240, 2794056, 3492570, 3648621, 4153860, 4191084, 4656760, 4864828, 5238855, 6081035, 6985140, 7297242, 8307720, 8382168, 9729656, 10477710, 10945863, 12162070, 13970280, 14594484, 18243105, 20955420, 21891726, 24324140, 29188968, 36486210, 41910840, 43783452, 48648280, 54729315, 57161729, 72972420, 87566904, 109458630, 114323458, 145944840, 171485187, 218917260, 228646916, 285808645, 342970374, 437834520, 457293832, 514455561, 571617290, 685940748, 857425935, 1028911122, 1143234580, 1371881496, 1714851870, 2057822244, 2286469160, 2572277805, 3429703740, 4115644488, 5144555610, 6859407480, 10289111220, 20578222440]

約数ペア:

[(1, 20578222440), (2, 10289111220), (3, 6859407480), (4, 5144555610), (5, 4115644488), (6, 3429703740), (8, 2572277805), (9, 2286469160), (10, 2057822244), (12, 1714851870), (15, 1371881496), (18, 1143234580), (20, 1028911122), (24, 857425935), (30, 685940748), (36, 571617290), (40, 514455561), (45, 457293832), (47, 437834520), (60, 342970374), (72, 285808645), (90, 228646916), (94, 218917260), (120, 171485187), (141, 145944840), (180, 114323458), (188, 109458630), (235, 87566904), (282, 72972420), (360, 57161729), (376, 54729315), (423, 48648280), (470, 43783452), (491, 41910840), (564, 36486210), (705, 29188968), (846, 24324140), (940, 21891726), (982, 20955420), (1128, 18243105), (1410, 14594484), (1473, 13970280), (1692, 12162070), (1880, 10945863), (1964, 10477710), (2115, 9729656), (2455, 8382168), (2477, 8307720), (2820, 7297242), (2946, 6985140), (3384, 6081035), (3928, 5238855), (4230, 4864828), (4419, 4656760), (4910, 4191084), (4954, 4153860), (5640, 3648621), (5892, 3492570), (7365, 2794056), (7431, 2769240), (8460, 2432414), (8838, 2328380), (9820, 2095542), (9908, 2076930), (11784, 1746285), (12385, 1661544), (14730, 1397028), (14862, 1384620), (16920, 1216207), (17676, 1164190), (19640, 1047771), (19816, 1038465), (22095, 931352), (22293, 923080), (23077, 891720), (24770, 830772), (29460, 698514), (29724, 692310), (35352, 582095), (37155, 553848), (44190, 465676), (44586, 461540), (46154, 445860), (49540, 415386), (58920, 349257), (59448, 346155), (69231, 297240), (74310, 276924), (88380, 232838), (89172, 230770), (92308, 222930), (99080, 207693), (111465, 184616), (115385, 178344), (116419, 176760), (138462, 148620)]