20594678

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 34557600

約数和(自身を除く): 13962922

約数列:

[1, 2, 13, 26, 43, 86, 109, 169, 218, 338, 559, 1118, 1417, 2197, 2834, 4394, 4687, 7267, 9374, 14534, 18421, 36842, 60931, 94471, 121862, 188942, 239473, 478946, 792103, 1584206, 10297339, 20594678]

約数ペア:

[(1, 20594678), (2, 10297339), (13, 1584206), (26, 792103), (43, 478946), (86, 239473), (109, 188942), (169, 121862), (218, 94471), (338, 60931), (559, 36842), (1118, 18421), (1417, 14534), (2197, 9374), (2834, 7267), (4394, 4687)]