20794216

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63397}}^1$

素因数の和:63444

約数の個数: 16

約数和(自身を含む): 39940740

約数和(自身を除く): 19146524

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63397, 126794, 253588, 507176, 2599277, 5198554, 10397108, 20794216]

約数ペア:

[(1, 20794216), (2, 10397108), (4, 5198554), (8, 2599277), (41, 507176), (82, 253588), (164, 126794), (328, 63397)]