20431352

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16267}}^1$

素因数の和:16430

約数の個数: 16

約数和(自身を含む): 38555160

約数和(自身を除く): 18123808

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16267, 32534, 65068, 130136, 2553919, 5107838, 10215676, 20431352]

約数ペア:

[(1, 20431352), (2, 10215676), (4, 5107838), (8, 2553919), (157, 130136), (314, 65068), (628, 32534), (1256, 16267)]