20163687215

素因数分解:

$5^1\times 7^1\times {\mathrm{5107}}^1\times {\mathrm{112807}}^1$

素因数の和:117926

約数の個数: 16

約数和(自身を含む): 27658716672

約数和(自身を除く): 7495029457

約数列:

[1, 5, 7, 35, 5107, 25535, 35749, 112807, 178745, 564035, 789649, 3948245, 576105349, 2880526745, 4032737443, 20163687215]

約数ペア:

[(1, 20163687215), (5, 4032737443), (7, 2880526745), (35, 576105349), (5107, 3948245), (25535, 789649), (35749, 564035), (112807, 178745)]