20735667

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1499}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 31590000

約数和(自身を除く): 10854333

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1499, 1537, 4497, 4611, 13491, 13833, 43471, 79447, 130413, 238341, 391239, 715023, 2303963, 6911889, 20735667]

約数ペア:

[(1, 20735667), (3, 6911889), (9, 2303963), (29, 715023), (53, 391239), (87, 238341), (159, 130413), (261, 79447), (477, 43471), (1499, 13833), (1537, 13491), (4497, 4611)]