2028686980

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{221957}}^1$

素因数の和:222423

約数の個数: 24

約数和(自身を含む): 4269584088

約数和(自身を除く): 2240897108

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 221957, 443914, 887828, 1109785, 2219570, 4439140, 101434349, 202868698, 405737396, 507171745, 1014343490, 2028686980]

約数ペア:

[(1, 2028686980), (2, 1014343490), (4, 507171745), (5, 405737396), (10, 202868698), (20, 101434349), (457, 4439140), (914, 2219570), (1828, 1109785), (2285, 887828), (4570, 443914), (9140, 221957)]