20268970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1962

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 18513830

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 1889, 2146, 3778, 5365, 9445, 10730, 18890, 54781, 69893, 109562, 139786, 273905, 349465, 547810, 698930, 2026897, 4053794, 10134485, 20268970]

約数ペア:

[(1, 20268970), (2, 10134485), (5, 4053794), (10, 2026897), (29, 698930), (37, 547810), (58, 349465), (74, 273905), (145, 139786), (185, 109562), (290, 69893), (370, 54781), (1073, 18890), (1889, 10730), (2146, 9445), (3778, 5365)]