20896587

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 11601333

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 2239, 3111, 6717, 9333, 20151, 38063, 114189, 136579, 342567, 409737, 1229211, 2321843, 6965529, 20896587]

約数ペア:

[(1, 20896587), (3, 6965529), (9, 2321843), (17, 1229211), (51, 409737), (61, 342567), (153, 136579), (183, 114189), (549, 38063), (1037, 20151), (2239, 9333), (3111, 6717)]