20004061

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1087}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 25067520

約数和(自身を除く): 5063459

約数列:

[1, 7, 11, 77, 239, 1087, 1673, 2629, 7609, 11957, 18403, 83699, 259793, 1818551, 2857723, 20004061]

約数ペア:

[(1, 20004061), (7, 2857723), (11, 1818551), (77, 259793), (239, 83699), (1087, 18403), (1673, 11957), (2629, 7609)]