20790166384

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7688671}}^1$

素因数の和:7688705

約数の個数: 30

約数和(自身を含む): 43617836256

約数和(自身を除く): 22827669872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7688671, 15377342, 30754684, 61509368, 99952723, 123018736, 199905446, 399810892, 799621784, 1299385399, 1599243568, 2598770798, 5197541596, 10395083192, 20790166384]

約数ペア:

[(1, 20790166384), (2, 10395083192), (4, 5197541596), (8, 2598770798), (13, 1599243568), (16, 1299385399), (26, 799621784), (52, 399810892), (104, 199905446), (169, 123018736), (208, 99952723), (338, 61509368), (676, 30754684), (1352, 15377342), (2704, 7688671)]