20794761

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 32727240

約数和(自身を除く): 11932479

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 1997, 3471, 5991, 10413, 17973, 25961, 77883, 177733, 233649, 533199, 1599597, 2310529, 6931587, 20794761]

約数ペア:

[(1, 20794761), (3, 6931587), (9, 2310529), (13, 1599597), (39, 533199), (89, 233649), (117, 177733), (267, 77883), (801, 25961), (1157, 17973), (1997, 10413), (3471, 5991)]