20186571

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7907}}^1$

素因数の和:7970

約数の個数: 16

約数和(自身を含む): 28848384

約数和(自身を除く): 8661813

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 7907, 23721, 181861, 292559, 545583, 877677, 6728857, 20186571]

約数ペア:

[(1, 20186571), (3, 6728857), (23, 877677), (37, 545583), (69, 292559), (111, 181861), (851, 23721), (2553, 7907)]