22155920

素因数分解:

$2^4\times 5^1\times {\mathrm{276949}}^1$

素因数の和:276962

約数の個数: 20

約数和(自身を含む): 51512700

約数和(自身を除く): 29356780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276949, 553898, 1107796, 1384745, 2215592, 2769490, 4431184, 5538980, 11077960, 22155920]

約数ペア:

[(1, 22155920), (2, 11077960), (4, 5538980), (5, 4431184), (8, 2769490), (10, 2215592), (16, 1384745), (20, 1107796), (40, 553898), (80, 276949)]