20514920545

素因数分解:

$5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{907}}^1\times {\mathrm{2333}}^1$

素因数の和:3529

約数の個数: 32

約数和(自身を含む): 28279565568

約数和(自身を除く): 7764645023

約数列:

[1, 5, 7, 35, 277, 907, 1385, 1939, 2333, 4535, 6349, 9695, 11665, 16331, 31745, 81655, 251239, 646241, 1256195, 1758673, 2116031, 3231205, 4523687, 8793365, 10580155, 14812217, 22618435, 74061085, 586140587, 2930702935, 4102984109, 20514920545]

約数ペア:

[(1, 20514920545), (5, 4102984109), (7, 2930702935), (35, 586140587), (277, 74061085), (907, 22618435), (1385, 14812217), (1939, 10580155), (2333, 8793365), (4535, 4523687), (6349, 3231205), (9695, 2116031), (11665, 1758673), (16331, 1256195), (31745, 646241), (81655, 251239)]