20007215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2083}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 25658208

約数和(自身を除く): 5650993

約数列:

[1, 5, 17, 85, 113, 565, 1921, 2083, 9605, 10415, 35411, 177055, 235379, 1176895, 4001443, 20007215]

約数ペア:

[(1, 20007215), (5, 4001443), (17, 1176895), (85, 235379), (113, 177055), (565, 35411), (1921, 10415), (2083, 9605)]