20202928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66457}}^1$

素因数の和:66484

約数の個数: 20

約数和(自身を含む): 41203960

約数和(自身を除く): 21001032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66457, 132914, 265828, 531656, 1063312, 1262683, 2525366, 5050732, 10101464, 20202928]

約数ペア:

[(1, 20202928), (2, 10101464), (4, 5050732), (8, 2525366), (16, 1262683), (19, 1063312), (38, 531656), (76, 265828), (152, 132914), (304, 66457)]