20177085925

素因数分解:

$5^2\times {\mathrm{8423}}^1\times {\mathrm{95819}}^1$

素因数の和:104252

約数の個数: 12

約数和(自身を含む): 25022818080

約数和(自身を除く): 4845732155

約数列:

[1, 5, 25, 8423, 42115, 95819, 210575, 479095, 2395475, 807083437, 4035417185, 20177085925]

約数ペア:

[(1, 20177085925), (5, 4035417185), (25, 807083437), (8423, 2395475), (42115, 479095), (95819, 210575)]