20574290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{521}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 20016430

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 359, 521, 718, 1042, 1795, 2605, 3590, 3949, 5210, 5731, 7898, 11462, 19745, 28655, 39490, 57310, 187039, 374078, 935195, 1870390, 2057429, 4114858, 10287145, 20574290]

約数ペア:

[(1, 20574290), (2, 10287145), (5, 4114858), (10, 2057429), (11, 1870390), (22, 935195), (55, 374078), (110, 187039), (359, 57310), (521, 39490), (718, 28655), (1042, 19745), (1795, 11462), (2605, 7898), (3590, 5731), (3949, 5210)]