20952040

素因数分解:

$2^3\times 5^1\times {\mathrm{523801}}^1$

素因数の和:523812

約数の個数: 16

約数和(自身を含む): 47142180

約数和(自身を除く): 26190140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523801, 1047602, 2095204, 2619005, 4190408, 5238010, 10476020, 20952040]

約数ペア:

[(1, 20952040), (2, 10476020), (4, 5238010), (5, 4190408), (8, 2619005), (10, 2095204), (20, 1047602), (40, 523801)]