20787634140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{165533}}^1$

素因数の和:165588

約数の個数: 192

約数和(自身を含む): 74752505856

約数和(自身を除く): 53964871716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 84, 91, 92, 105, 115, 130, 138, 140, 156, 161, 182, 195, 210, 230, 260, 273, 276, 299, 322, 345, 364, 390, 420, 455, 460, 483, 546, 598, 644, 690, 780, 805, 897, 910, 966, 1092, 1196, 1365, 1380, 1495, 1610, 1794, 1820, 1932, 2093, 2415, 2730, 2990, 3220, 3588, 4186, 4485, 4830, 5460, 5980, 6279, 8372, 8970, 9660, 10465, 12558, 17940, 20930, 25116, 31395, 41860, 62790, 125580, 165533, 331066, 496599, 662132, 827665, 993198, 1158731, 1655330, 1986396, 2151929, 2317462, 2482995, 3310660, 3476193, 3807259, 4303858, 4634924, 4965990, 5793655, 6455787, 6952386, 7614518, 8607716, 9931980, 10759645, 11421777, 11587310, 12911574, 13904772, 15063503, 15229036, 17380965, 19036295, 21519290, 22843554, 23174620, 25823148, 26650813, 30127006, 32278935, 34761930, 38072590, 43038580, 45190509, 45687108, 49494367, 53301626, 57108885, 60254012, 64557870, 69523860, 75317515, 76145180, 79952439, 90381018, 98988734, 106603252, 114217770, 129115740, 133254065, 148483101, 150635030, 159904878, 180762036, 197977468, 225952545, 228435540, 247471835, 266508130, 296966202, 301270060, 319809756, 346460569, 399762195, 451905090, 494943670, 533016260, 593932404, 692921138, 742415505, 799524390, 903810180, 989887340, 1039381707, 1385842276, 1484831010, 1599048780, 1732302845, 2078763414, 2969662020, 3464605690, 4157526828, 5196908535, 6929211380, 10393817070, 20787634140]

約数ペア:

[(1, 20787634140), (2, 10393817070), (3, 6929211380), (4, 5196908535), (5, 4157526828), (6, 3464605690), (7, 2969662020), (10, 2078763414), (12, 1732302845), (13, 1599048780), (14, 1484831010), (15, 1385842276), (20, 1039381707), (21, 989887340), (23, 903810180), (26, 799524390), (28, 742415505), (30, 692921138), (35, 593932404), (39, 533016260), (42, 494943670), (46, 451905090), (52, 399762195), (60, 346460569), (65, 319809756), (69, 301270060), (70, 296966202), (78, 266508130), (84, 247471835), (91, 228435540), (92, 225952545), (105, 197977468), (115, 180762036), (130, 159904878), (138, 150635030), (140, 148483101), (156, 133254065), (161, 129115740), (182, 114217770), (195, 106603252), (210, 98988734), (230, 90381018), (260, 79952439), (273, 76145180), (276, 75317515), (299, 69523860), (322, 64557870), (345, 60254012), (364, 57108885), (390, 53301626), (420, 49494367), (455, 45687108), (460, 45190509), (483, 43038580), (546, 38072590), (598, 34761930), (644, 32278935), (690, 30127006), (780, 26650813), (805, 25823148), (897, 23174620), (910, 22843554), (966, 21519290), (1092, 19036295), (1196, 17380965), (1365, 15229036), (1380, 15063503), (1495, 13904772), (1610, 12911574), (1794, 11587310), (1820, 11421777), (1932, 10759645), (2093, 9931980), (2415, 8607716), (2730, 7614518), (2990, 6952386), (3220, 6455787), (3588, 5793655), (4186, 4965990), (4485, 4634924), (4830, 4303858), (5460, 3807259), (5980, 3476193), (6279, 3310660), (8372, 2482995), (8970, 2317462), (9660, 2151929), (10465, 1986396), (12558, 1655330), (17940, 1158731), (20930, 993198), (25116, 827665), (31395, 662132), (41860, 496599), (62790, 331066), (125580, 165533)]