20318769

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4733}}^1$

素因数の和:4798

約数の個数: 20

約数和(自身を含む): 30931956

約数和(自身を除く): 10613187

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4733, 14199, 42597, 127791, 250849, 383373, 752547, 2257641, 6772923, 20318769]

約数ペア:

[(1, 20318769), (3, 6772923), (9, 2257641), (27, 752547), (53, 383373), (81, 250849), (159, 127791), (477, 42597), (1431, 14199), (4293, 4733)]