13221020

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3461}}^1$

素因数の和:3661

約数の個数: 24

約数和(自身を含む): 27917568

約数和(自身を除く): 14696548

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3461, 3820, 6922, 13844, 17305, 34610, 69220, 661051, 1322102, 2644204, 3305255, 6610510, 13221020]

約数ペア:

[(1, 13221020), (2, 6610510), (4, 3305255), (5, 2644204), (10, 1322102), (20, 661051), (191, 69220), (382, 34610), (764, 17305), (955, 13844), (1910, 6922), (3461, 3820)]