20859275521

素因数分解:

$7^1\times {\mathrm{367}}^1\times {\mathrm{431}}^1\times {\mathrm{18839}}^1$

素因数の和:19644

約数の個数: 16

約数和(自身を含む): 23960862720

約数和(自身を除く): 3101587199

約数列:

[1, 7, 367, 431, 2569, 3017, 18839, 131873, 158177, 1107239, 6913913, 8119609, 48397391, 56837263, 2979896503, 20859275521]

約数ペア:

[(1, 20859275521), (7, 2979896503), (367, 56837263), (431, 48397391), (2569, 8119609), (3017, 6913913), (18839, 1107239), (131873, 158177)]