20996222008

素因数分解:

$2^3\times {\mathrm{25667}}^1\times {\mathrm{102253}}^1$

素因数の和:127926

約数の個数: 16

約数和(自身を含む): 39369835080

約数和(自身を除く): 18373613072

約数列:

[1, 2, 4, 8, 25667, 51334, 102253, 102668, 204506, 205336, 409012, 818024, 2624527751, 5249055502, 10498111004, 20996222008]

約数ペア:

[(1, 20996222008), (2, 10498111004), (4, 5249055502), (8, 2624527751), (25667, 818024), (51334, 409012), (102253, 205336), (102668, 204506)]