20178014740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2027}}^1\times {\mathrm{38287}}^1$

素因数の和:40336

約数の個数: 48

約数和(自身を含む): 45657061632

約数和(自身を除く): 25479046892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2027, 4054, 8108, 10135, 20270, 26351, 38287, 40540, 52702, 76574, 105404, 131755, 153148, 191435, 263510, 382870, 497731, 527020, 765740, 995462, 1990924, 2488655, 4977310, 9954620, 77607749, 155215498, 310430996, 388038745, 776077490, 1008900737, 1552154980, 2017801474, 4035602948, 5044503685, 10089007370, 20178014740]

約数ペア:

[(1, 20178014740), (2, 10089007370), (4, 5044503685), (5, 4035602948), (10, 2017801474), (13, 1552154980), (20, 1008900737), (26, 776077490), (52, 388038745), (65, 310430996), (130, 155215498), (260, 77607749), (2027, 9954620), (4054, 4977310), (8108, 2488655), (10135, 1990924), (20270, 995462), (26351, 765740), (38287, 527020), (40540, 497731), (52702, 382870), (76574, 263510), (105404, 191435), (131755, 153148)]