20097474985

素因数分解:

$5^1\times 7^1\times {\mathrm{31121}}^1\times {\mathrm{18451}}^1$

素因数の和:49584

約数の個数: 16

約数和(自身を含む): 27564630912

約数和(自身を除く): 7467155927

約数列:

[1, 5, 7, 35, 18451, 31121, 92255, 129157, 155605, 217847, 645785, 1089235, 574213571, 2871067855, 4019494997, 20097474985]

約数ペア:

[(1, 20097474985), (5, 4019494997), (7, 2871067855), (35, 574213571), (18451, 1089235), (31121, 645785), (92255, 217847), (129157, 155605)]