20608742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 38824704

約数和(自身を除く): 18215962

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 163, 326, 821, 1141, 1642, 1793, 2282, 3586, 5747, 9031, 11494, 12551, 18062, 25102, 63217, 126434, 133823, 267646, 936761, 1472053, 1873522, 2944106, 10304371, 20608742]

約数ペア:

[(1, 20608742), (2, 10304371), (7, 2944106), (11, 1873522), (14, 1472053), (22, 936761), (77, 267646), (154, 133823), (163, 126434), (326, 63217), (821, 25102), (1141, 18062), (1642, 12551), (1793, 11494), (2282, 9031), (3586, 5747)]