20276109

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1598

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14560371

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1511, 1917, 4473, 4533, 10577, 13419, 13599, 31731, 40797, 95193, 107281, 285579, 321843, 750967, 965529, 2252901, 2896587, 6758703, 20276109]

約数ペア:

[(1, 20276109), (3, 6758703), (7, 2896587), (9, 2252901), (21, 965529), (27, 750967), (63, 321843), (71, 285579), (189, 107281), (213, 95193), (497, 40797), (639, 31731), (1491, 13599), (1511, 13419), (1917, 10577), (4473, 4533)]