20237885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2213}}^1$

素因数の和:2308

約数の個数: 16

約数和(自身を含む): 25505280

約数和(自身を除く): 5267395

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2213, 9145, 11065, 68603, 130567, 343015, 652835, 4047577, 20237885]

約数ペア:

[(1, 20237885), (5, 4047577), (31, 652835), (59, 343015), (155, 130567), (295, 68603), (1829, 11065), (2213, 9145)]