20415272

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7069}}^1$

素因数の和:7113

約数の個数: 24

約数和(自身を含む): 40405050

約数和(自身を除く): 19989778

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7069, 14138, 28276, 56552, 134311, 268622, 537244, 1074488, 2551909, 5103818, 10207636, 20415272]

約数ペア:

[(1, 20415272), (2, 10207636), (4, 5103818), (8, 2551909), (19, 1074488), (38, 537244), (76, 268622), (152, 134311), (361, 56552), (722, 28276), (1444, 14138), (2888, 7069)]