20704158

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{24473}}^1$

素因数の和:24528

約数の個数: 24

約数和(自身を含む): 45815328

約数和(自身を除く): 25111170

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 24473, 48946, 73419, 146838, 220257, 440514, 1150231, 2300462, 3450693, 6901386, 10352079, 20704158]

約数ペア:

[(1, 20704158), (2, 10352079), (3, 6901386), (6, 3450693), (9, 2300462), (18, 1150231), (47, 440514), (94, 220257), (141, 146838), (282, 73419), (423, 48946), (846, 24473)]