20318388

素因数分解:

$2^2\times 3^1\times {\mathrm{647}}^1\times {\mathrm{2617}}^1$

素因数の和:3271

約数の個数: 24

約数和(自身を含む): 47500992

約数和(自身を除く): 27182604

約数列:

[1, 2, 3, 4, 6, 12, 647, 1294, 1941, 2588, 2617, 3882, 5234, 7764, 7851, 10468, 15702, 31404, 1693199, 3386398, 5079597, 6772796, 10159194, 20318388]

約数ペア:

[(1, 20318388), (2, 10159194), (3, 6772796), (4, 5079597), (6, 3386398), (12, 1693199), (647, 31404), (1294, 15702), (1941, 10468), (2588, 7851), (2617, 7764), (3882, 5234)]