20284621

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 25385216

約数和(自身を除く): 5100595

約数列:

[1, 7, 17, 37, 119, 259, 271, 289, 629, 1897, 2023, 4403, 4607, 10027, 10693, 32249, 70189, 74851, 78319, 170459, 548233, 1193213, 2897803, 20284621]

約数ペア:

[(1, 20284621), (7, 2897803), (17, 1193213), (37, 548233), (119, 170459), (259, 78319), (271, 74851), (289, 70189), (629, 32249), (1897, 10693), (2023, 10027), (4403, 4607)]