20393724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130729}}^1$

素因数の和:130749

約数の個数: 24

約数和(自身を含む): 51246160

約数和(自身を除く): 30852436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130729, 261458, 392187, 522916, 784374, 1568748, 1699477, 3398954, 5098431, 6797908, 10196862, 20393724]

約数ペア:

[(1, 20393724), (2, 10196862), (3, 6797908), (4, 5098431), (6, 3398954), (12, 1699477), (13, 1568748), (26, 784374), (39, 522916), (52, 392187), (78, 261458), (156, 130729)]