20187075995

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1\times {\mathrm{80779}}^1$

素因数の和:81266

約数の個数: 16

約数和(自身を含む): 24458891520

約数和(自身を除く): 4271815525

約数列:

[1, 5, 151, 331, 755, 1655, 49981, 80779, 249905, 403895, 12197629, 26737849, 60988145, 133689245, 4037415199, 20187075995]

約数ペア:

[(1, 20187075995), (5, 4037415199), (151, 133689245), (331, 60988145), (755, 26737849), (1655, 12197629), (49981, 403895), (80779, 249905)]