20408060580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{24953}}^1$

素因数の和:25325

約数の個数: 96

約数和(自身を含む): 58658269824

約数和(自身を除く): 38250209244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 317, 430, 516, 634, 645, 860, 951, 1268, 1290, 1585, 1902, 2580, 3170, 3804, 4755, 6340, 9510, 13631, 19020, 24953, 27262, 40893, 49906, 54524, 68155, 74859, 81786, 99812, 124765, 136310, 149718, 163572, 204465, 249530, 272620, 299436, 374295, 408930, 499060, 748590, 817860, 1072979, 1497180, 2145958, 3218937, 4291916, 5364895, 6437874, 7910101, 10729790, 12875748, 15820202, 16094685, 21459580, 23730303, 31640404, 32189370, 39550505, 47460606, 64378740, 79101010, 94921212, 118651515, 158202020, 237303030, 340134343, 474606060, 680268686, 1020403029, 1360537372, 1700671715, 2040806058, 3401343430, 4081612116, 5102015145, 6802686860, 10204030290, 20408060580]

約数ペア:

[(1, 20408060580), (2, 10204030290), (3, 6802686860), (4, 5102015145), (5, 4081612116), (6, 3401343430), (10, 2040806058), (12, 1700671715), (15, 1360537372), (20, 1020403029), (30, 680268686), (43, 474606060), (60, 340134343), (86, 237303030), (129, 158202020), (172, 118651515), (215, 94921212), (258, 79101010), (317, 64378740), (430, 47460606), (516, 39550505), (634, 32189370), (645, 31640404), (860, 23730303), (951, 21459580), (1268, 16094685), (1290, 15820202), (1585, 12875748), (1902, 10729790), (2580, 7910101), (3170, 6437874), (3804, 5364895), (4755, 4291916), (6340, 3218937), (9510, 2145958), (13631, 1497180), (19020, 1072979), (24953, 817860), (27262, 748590), (40893, 499060), (49906, 408930), (54524, 374295), (68155, 299436), (74859, 272620), (81786, 249530), (99812, 204465), (124765, 163572), (136310, 149718)]