20157683

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9631}}^1$

素因数の和:9674

約数の個数: 16

約数和(自身を含む): 25890816

約数和(自身を除く): 5733133

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9631, 67417, 125203, 221513, 876421, 1550591, 2879669, 20157683]

約数ペア:

[(1, 20157683), (7, 2879669), (13, 1550591), (23, 876421), (91, 221513), (161, 125203), (299, 67417), (2093, 9631)]