20976008

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8377}}^1$

素因数の和:8696

約数の個数: 16

約数和(自身を含む): 39460380

約数和(自身を除く): 18484372

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8377, 16754, 33508, 67016, 2622001, 5244002, 10488004, 20976008]

約数ペア:

[(1, 20976008), (2, 10488004), (4, 5244002), (8, 2622001), (313, 67016), (626, 33508), (1252, 16754), (2504, 8377)]