20698041

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10831}}^1$

素因数の和:10861

約数の個数: 24

約数和(自身を含む): 34575744

約数和(自身を除く): 13877703

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10831, 32493, 75817, 140803, 227451, 422409, 530719, 985621, 1592157, 2956863, 6899347, 20698041]

約数ペア:

[(1, 20698041), (3, 6899347), (7, 2956863), (13, 1592157), (21, 985621), (39, 530719), (49, 422409), (91, 227451), (147, 140803), (273, 75817), (637, 32493), (1911, 10831)]