20177021960

素因数分解:

$2^3\times 5^1\times {\mathrm{504425549}}^1$

素因数の和:504425560

約数の個数: 16

約数和(自身を含む): 45398299500

約数和(自身を除く): 25221277540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504425549, 1008851098, 2017702196, 2522127745, 4035404392, 5044255490, 10088510980, 20177021960]

約数ペア:

[(1, 20177021960), (2, 10088510980), (4, 5044255490), (5, 4035404392), (8, 2522127745), (10, 2017702196), (20, 1008851098), (40, 504425549)]