20605310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9859}}^1$

素因数の和:9896

約数の個数: 32

約数和(自身を含む): 42595200

約数和(自身を除く): 21989890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9859, 19718, 49295, 98590, 108449, 187321, 216898, 374642, 542245, 936605, 1084490, 1873210, 2060531, 4121062, 10302655, 20605310]

約数ペア:

[(1, 20605310), (2, 10302655), (5, 4121062), (10, 2060531), (11, 1873210), (19, 1084490), (22, 936605), (38, 542245), (55, 374642), (95, 216898), (110, 187321), (190, 108449), (209, 98590), (418, 49295), (1045, 19718), (2090, 9859)]