20044521

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3089}}^1$

素因数の和:3205

約数の個数: 24

約数和(自身を含む): 33421440

約数和(自身を除く): 13376919

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3089, 6489, 9267, 21623, 27801, 64869, 194607, 318167, 954501, 2227169, 2863503, 6681507, 20044521]

約数ペア:

[(1, 20044521), (3, 6681507), (7, 2863503), (9, 2227169), (21, 954501), (63, 318167), (103, 194607), (309, 64869), (721, 27801), (927, 21623), (2163, 9267), (3089, 6489)]