20401256

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{43223}}^1$

素因数の和:43288

約数の個数: 16

約数和(自身を含む): 38901600

約数和(自身を除く): 18500344

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 43223, 86446, 172892, 345784, 2550157, 5100314, 10200628, 20401256]

約数ペア:

[(1, 20401256), (2, 10200628), (4, 5100314), (8, 2550157), (59, 345784), (118, 172892), (236, 86446), (472, 43223)]