20178008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58657}}^1$

素因数の和:58706

約数の個数: 16

約数和(自身を含む): 38714280

約数和(自身を除く): 18536272

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58657, 117314, 234628, 469256, 2522251, 5044502, 10089004, 20178008]

約数ペア:

[(1, 20178008), (2, 10089004), (4, 5044502), (8, 2522251), (43, 469256), (86, 234628), (172, 117314), (344, 58657)]