20199451251

素因数分解:

$3^1\times 7^2\times {\mathrm{1249}}^1\times {\mathrm{110017}}^1$

素因数の和:111283

約数の個数: 24

約数和(自身を含む): 31355130000

約数和(自身を除く): 11155678749

約数列:

[1, 3, 7, 21, 49, 147, 1249, 3747, 8743, 26229, 61201, 110017, 183603, 330051, 770119, 2310357, 5390833, 16172499, 137411233, 412233699, 961878631, 2885635893, 6733150417, 20199451251]

約数ペア:

[(1, 20199451251), (3, 6733150417), (7, 2885635893), (21, 961878631), (49, 412233699), (147, 137411233), (1249, 16172499), (3747, 5390833), (8743, 2310357), (26229, 770119), (61201, 330051), (110017, 183603)]