11155420

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1031}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 23492448

約数和(自身を除く): 12337028

約数列:

[1, 2, 4, 5, 10, 20, 541, 1031, 1082, 2062, 2164, 2705, 4124, 5155, 5410, 10310, 10820, 20620, 557771, 1115542, 2231084, 2788855, 5577710, 11155420]

約数ペア:

[(1, 11155420), (2, 5577710), (4, 2788855), (5, 2231084), (10, 1115542), (20, 557771), (541, 20620), (1031, 10820), (1082, 10310), (2062, 5410), (2164, 5155), (2705, 4124)]