20388204

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18269}}^1$

素因数の和:18310

約数の個数: 36

約数和(自身を含む): 53202240

約数和(自身を除く): 32814036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18269, 36538, 54807, 73076, 109614, 164421, 219228, 328842, 566339, 657684, 1132678, 1699017, 2265356, 3398034, 5097051, 6796068, 10194102, 20388204]

約数ペア:

[(1, 20388204), (2, 10194102), (3, 6796068), (4, 5097051), (6, 3398034), (9, 2265356), (12, 1699017), (18, 1132678), (31, 657684), (36, 566339), (62, 328842), (93, 219228), (124, 164421), (186, 109614), (279, 73076), (372, 54807), (558, 36538), (1116, 18269)]