20873331

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{601}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 32117904

約数和(自身を除く): 11244573

約数列:

[1, 3, 9, 17, 51, 153, 227, 601, 681, 1803, 2043, 3859, 5409, 10217, 11577, 30651, 34731, 91953, 136427, 409281, 1227843, 2319259, 6957777, 20873331]

約数ペア:

[(1, 20873331), (3, 6957777), (9, 2319259), (17, 1227843), (51, 409281), (153, 136427), (227, 91953), (601, 34731), (681, 30651), (1803, 11577), (2043, 10217), (3859, 5409)]