20457774

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10427}}^1$

素因数の和:10544

約数の個数: 24

約数和(自身を含む): 44736120

約数和(自身を除く): 24278346

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10427, 20854, 31281, 62562, 93843, 187686, 1136543, 2273086, 3409629, 6819258, 10228887, 20457774]

約数ペア:

[(1, 20457774), (2, 10228887), (3, 6819258), (6, 3409629), (9, 2273086), (18, 1136543), (109, 187686), (218, 93843), (327, 62562), (654, 31281), (981, 20854), (1962, 10427)]