20465489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 23674560

約数和(自身を除く): 3209071

約数列:

[1, 11, 19, 181, 209, 541, 1991, 3439, 5951, 10279, 37829, 97921, 113069, 1077131, 1860499, 20465489]

約数ペア:

[(1, 20465489), (11, 1860499), (19, 1077131), (181, 113069), (209, 97921), (541, 37829), (1991, 10279), (3439, 5951)]