20997832

素因数分解:

$2^3\times {\mathrm{677}}^1\times {\mathrm{3877}}^1$

素因数の和:4560

約数の個数: 16

約数和(自身を含む): 39439260

約数和(自身を除く): 18441428

約数列:

[1, 2, 4, 8, 677, 1354, 2708, 3877, 5416, 7754, 15508, 31016, 2624729, 5249458, 10498916, 20997832]

約数ペア:

[(1, 20997832), (2, 10498916), (4, 5249458), (8, 2624729), (677, 31016), (1354, 15508), (2708, 7754), (3877, 5416)]