20637776

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24337}}^1$

素因数の和:24398

約数の個数: 20

約数和(自身を含む): 40741812

約数和(自身を除く): 20104036

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24337, 48674, 97348, 194696, 389392, 1289861, 2579722, 5159444, 10318888, 20637776]

約数ペア:

[(1, 20637776), (2, 10318888), (4, 5159444), (8, 2579722), (16, 1289861), (53, 389392), (106, 194696), (212, 97348), (424, 48674), (848, 24337)]