20980824

素因数分解:

$2^3\times 3^1\times {\mathrm{571}}^1\times {\mathrm{1531}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 52578240

約数和(自身を除く): 31597416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 571, 1142, 1531, 1713, 2284, 3062, 3426, 4568, 4593, 6124, 6852, 9186, 12248, 13704, 18372, 36744, 874201, 1748402, 2622603, 3496804, 5245206, 6993608, 10490412, 20980824]

約数ペア:

[(1, 20980824), (2, 10490412), (3, 6993608), (4, 5245206), (6, 3496804), (8, 2622603), (12, 1748402), (24, 874201), (571, 36744), (1142, 18372), (1531, 13704), (1713, 12248), (2284, 9186), (3062, 6852), (3426, 6124), (4568, 4593)]