20400054

素因数分解:

$2^1\times 3^1\times {\mathrm{379}}^1\times {\mathrm{8971}}^1$

素因数の和:9355

約数の個数: 16

約数和(自身を含む): 40912320

約数和(自身を除く): 20512266

約数列:

[1, 2, 3, 6, 379, 758, 1137, 2274, 8971, 17942, 26913, 53826, 3400009, 6800018, 10200027, 20400054]

約数ペア:

[(1, 20400054), (2, 10200027), (3, 6800018), (6, 3400009), (379, 53826), (758, 26913), (1137, 17942), (2274, 8971)]