20400177

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18329}}^1$

素因数の和:18392

約数の個数: 16

約数和(自身を含む): 31674240

約数和(自身を除く): 11274063

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18329, 54987, 128303, 384909, 971437, 2914311, 6800059, 20400177]

約数ペア:

[(1, 20400177), (3, 6800059), (7, 2914311), (21, 971437), (53, 384909), (159, 128303), (371, 54987), (1113, 18329)]