20210024

素因数分解:

$2^3\times {\mathrm{311}}^1\times {\mathrm{8123}}^1$

素因数の和:8440

約数の個数: 16

約数和(自身を含む): 38020320

約数和(自身を除く): 17810296

約数列:

[1, 2, 4, 8, 311, 622, 1244, 2488, 8123, 16246, 32492, 64984, 2526253, 5052506, 10105012, 20210024]

約数ペア:

[(1, 20210024), (2, 10105012), (4, 5052506), (8, 2526253), (311, 64984), (622, 32492), (1244, 16246), (2488, 8123)]