20609290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2687}}^1$

素因数の和:2766

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 20033270

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2687, 3835, 5374, 7670, 13435, 26870, 34931, 69862, 158533, 174655, 317066, 349310, 792665, 1585330, 2060929, 4121858, 10304645, 20609290]

約数ペア:

[(1, 20609290), (2, 10304645), (5, 4121858), (10, 2060929), (13, 1585330), (26, 792665), (59, 349310), (65, 317066), (118, 174655), (130, 158533), (295, 69862), (590, 34931), (767, 26870), (1534, 13435), (2687, 7670), (3835, 5374)]