20663973

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4441}}^1$

素因数の和:4505

約数の個数: 24

約数和(自身を含む): 33261696

約数和(自身を除く): 12597723

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4441, 4653, 13323, 39969, 48851, 146553, 208727, 439659, 626181, 1878543, 2295997, 6887991, 20663973]

約数ペア:

[(1, 20663973), (3, 6887991), (9, 2295997), (11, 1878543), (33, 626181), (47, 439659), (99, 208727), (141, 146553), (423, 48851), (517, 39969), (1551, 13323), (4441, 4653)]