20367868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1979}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16887812

約数列:

[1, 2, 4, 31, 62, 83, 124, 166, 332, 1979, 2573, 3958, 5146, 7916, 10292, 61349, 122698, 164257, 245396, 328514, 657028, 5091967, 10183934, 20367868]

約数ペア:

[(1, 20367868), (2, 10183934), (4, 5091967), (31, 657028), (62, 328514), (83, 245396), (124, 164257), (166, 122698), (332, 61349), (1979, 10292), (2573, 7916), (3958, 5146)]