20526490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 39275280

約数和(自身を除く): 18748790

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 1913, 2146, 3826, 5365, 9565, 10730, 19130, 55477, 70781, 110954, 141562, 277385, 353905, 554770, 707810, 2052649, 4105298, 10263245, 20526490]

約数ペア:

[(1, 20526490), (2, 10263245), (5, 4105298), (10, 2052649), (29, 707810), (37, 554770), (58, 353905), (74, 277385), (145, 141562), (185, 110954), (290, 70781), (370, 55477), (1073, 19130), (1913, 10730), (2146, 9565), (3826, 5365)]