20187853140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3697409}}^1$

素因数の和:3697441

約数の個数: 96

約数和(自身を含む): 69570466560

約数和(自身を除く): 49382613420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 3697409, 7394818, 11092227, 14789636, 18487045, 22184454, 25881863, 36974090, 44368908, 48066317, 51763726, 55461135, 73948180, 77645589, 96132634, 103527452, 110922270, 129409315, 144198951, 155291178, 192265268, 221844540, 240331585, 258818630, 288397902, 310582356, 336464219, 388227945, 480663170, 517637260, 576795804, 672928438, 720994755, 776455890, 961326340, 1009392657, 1345856876, 1441989510, 1552911780, 1682321095, 2018785314, 2883979020, 3364642190, 4037570628, 5046963285, 6729284380, 10093926570, 20187853140]

約数ペア:

[(1, 20187853140), (2, 10093926570), (3, 6729284380), (4, 5046963285), (5, 4037570628), (6, 3364642190), (7, 2883979020), (10, 2018785314), (12, 1682321095), (13, 1552911780), (14, 1441989510), (15, 1345856876), (20, 1009392657), (21, 961326340), (26, 776455890), (28, 720994755), (30, 672928438), (35, 576795804), (39, 517637260), (42, 480663170), (52, 388227945), (60, 336464219), (65, 310582356), (70, 288397902), (78, 258818630), (84, 240331585), (91, 221844540), (105, 192265268), (130, 155291178), (140, 144198951), (156, 129409315), (182, 110922270), (195, 103527452), (210, 96132634), (260, 77645589), (273, 73948180), (364, 55461135), (390, 51763726), (420, 48066317), (455, 44368908), (546, 36974090), (780, 25881863), (910, 22184454), (1092, 18487045), (1365, 14789636), (1820, 11092227), (2730, 7394818), (5460, 3697409)]