20412476

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15511}}^1$

素因数の和:15569

約数の個数: 24

約数和(自身を含む): 41696256

約数和(自身を除く): 21283780

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15511, 31022, 62044, 108577, 217154, 434308, 729017, 1458034, 2916068, 5103119, 10206238, 20412476]

約数ペア:

[(1, 20412476), (2, 10206238), (4, 5103119), (7, 2916068), (14, 1458034), (28, 729017), (47, 434308), (94, 217154), (188, 108577), (329, 62044), (658, 31022), (1316, 15511)]