20492008

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{13411}}^1$

素因数の和:13608

約数の個数: 16

約数和(自身を含む): 38626560

約数和(自身を除く): 18134552

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 13411, 26822, 53644, 107288, 2561501, 5123002, 10246004, 20492008]

約数ペア:

[(1, 20492008), (2, 10246004), (4, 5123002), (8, 2561501), (191, 107288), (382, 53644), (764, 26822), (1528, 13411)]