20156450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13901}}^1$

素因数の和:13942

約数の個数: 24

約数和(自身を含む): 38786580

約数和(自身を除く): 18630130

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13901, 27802, 69505, 139010, 347525, 403129, 695050, 806258, 2015645, 4031290, 10078225, 20156450]

約数ペア:

[(1, 20156450), (2, 10078225), (5, 4031290), (10, 2015645), (25, 806258), (29, 695050), (50, 403129), (58, 347525), (145, 139010), (290, 69505), (725, 27802), (1450, 13901)]