20458467

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{18481}}^1$

素因数の和:18531

約数の個数: 16

約数和(自身を含む): 31049760

約数和(自身を除く): 10591293

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 18481, 55443, 166329, 498987, 757721, 2273163, 6819489, 20458467]

約数ペア:

[(1, 20458467), (3, 6819489), (9, 2273163), (27, 757721), (41, 498987), (123, 166329), (369, 55443), (1107, 18481)]