20993479

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 23595264

約数和(自身を除く): 2601785

約数列:

[1, 13, 31, 113, 403, 461, 1469, 3503, 5993, 14291, 45539, 52093, 185783, 677209, 1614883, 20993479]

約数ペア:

[(1, 20993479), (13, 1614883), (31, 677209), (113, 185783), (403, 52093), (461, 45539), (1469, 14291), (3503, 5993)]