20280949

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 23308992

約数和(自身を除く): 3028043

約数列:

[1, 13, 17, 163, 221, 563, 2119, 2771, 7319, 9571, 36023, 91769, 124423, 1192997, 1560073, 20280949]

約数ペア:

[(1, 20280949), (13, 1560073), (17, 1192997), (163, 124423), (221, 91769), (563, 36023), (2119, 9571), (2771, 7319)]