20203928

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18169}}^1$

素因数の和:18314

約数の個数: 16

約数和(自身を含む): 38157000

約数和(自身を除く): 17953072

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18169, 36338, 72676, 145352, 2525491, 5050982, 10101964, 20203928]

約数ペア:

[(1, 20203928), (2, 10101964), (4, 5050982), (8, 2525491), (139, 145352), (278, 72676), (556, 36338), (1112, 18169)]