20828376

素因数分解:

$2^3\times 3^2\times {\mathrm{289283}}^1$

素因数の和:289295

約数の個数: 24

約数和(自身を含む): 56410380

約数和(自身を除く): 35582004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289283, 578566, 867849, 1157132, 1735698, 2314264, 2603547, 3471396, 5207094, 6942792, 10414188, 20828376]

約数ペア:

[(1, 20828376), (2, 10414188), (3, 6942792), (4, 5207094), (6, 3471396), (8, 2603547), (9, 2314264), (12, 1735698), (18, 1157132), (24, 867849), (36, 578566), (72, 289283)]