20846969

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 25583880

約数和(自身を除く): 4736911

約数列:

[1, 11, 13, 29, 121, 143, 319, 377, 457, 1573, 3509, 4147, 5027, 5941, 13253, 45617, 55297, 65351, 145783, 172289, 718861, 1603613, 1895179, 20846969]

約数ペア:

[(1, 20846969), (11, 1895179), (13, 1603613), (29, 718861), (121, 172289), (143, 145783), (319, 65351), (377, 55297), (457, 45617), (1573, 13253), (3509, 5941), (4147, 5027)]