20139693

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9311}}^1$

素因数の和:9424

約数の個数: 16

約数和(自身を含む): 30990336

約数和(自身を除く): 10850643

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9311, 27933, 65177, 195531, 959033, 2877099, 6713231, 20139693]

約数ペア:

[(1, 20139693), (3, 6713231), (7, 2877099), (21, 959033), (103, 195531), (309, 65177), (721, 27933), (2163, 9311)]