20321829

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18661}}^1$

素因数の和:18689

約数の個数: 18

約数和(自身を含む): 32266598

約数和(自身を除く): 11944769

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18661, 55983, 167949, 205271, 615813, 1847439, 2257981, 6773943, 20321829]

約数ペア:

[(1, 20321829), (3, 6773943), (9, 2257981), (11, 1847439), (33, 615813), (99, 205271), (121, 167949), (363, 55983), (1089, 18661)]