20521716016

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{691}}^1\times {\mathrm{17029}}^1$

素因数の和:17837

約数の個数: 40

約数和(自身を含む): 40186031600

約数和(自身を除く): 19664315584

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 691, 872, 1382, 1744, 2764, 5528, 11056, 17029, 34058, 68116, 75319, 136232, 150638, 272464, 301276, 602552, 1205104, 1856161, 3712322, 7424644, 11767039, 14849288, 23534078, 29698576, 47068156, 94136312, 188272624, 1282607251, 2565214502, 5130429004, 10260858008, 20521716016]

約数ペア:

[(1, 20521716016), (2, 10260858008), (4, 5130429004), (8, 2565214502), (16, 1282607251), (109, 188272624), (218, 94136312), (436, 47068156), (691, 29698576), (872, 23534078), (1382, 14849288), (1744, 11767039), (2764, 7424644), (5528, 3712322), (11056, 1856161), (17029, 1205104), (34058, 602552), (68116, 301276), (75319, 272464), (136232, 150638)]