20199060021

素因数分解:

$3^1\times 7^1\times {\mathrm{9473}}^1\times {\mathrm{101537}}^1$

素因数の和:111020

約数の個数: 16

約数和(自身を含む): 30783072384

約数和(自身を除く): 10584012363

約数列:

[1, 3, 7, 21, 9473, 28419, 66311, 101537, 198933, 304611, 710759, 2132277, 961860001, 2885580003, 6733020007, 20199060021]

約数ペア:

[(1, 20199060021), (3, 6733020007), (7, 2885580003), (21, 961860001), (9473, 2132277), (28419, 710759), (66311, 304611), (101537, 198933)]