20909916

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{3041}}^1$

素因数の和:3242

約数の個数: 36

約数和(自身を含む): 53149824

約数和(自身を除く): 32239908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1719, 2292, 3041, 3438, 6082, 6876, 9123, 12164, 18246, 27369, 36492, 54738, 109476, 580831, 1161662, 1742493, 2323324, 3484986, 5227479, 6969972, 10454958, 20909916]

約数ペア:

[(1, 20909916), (2, 10454958), (3, 6969972), (4, 5227479), (6, 3484986), (9, 2323324), (12, 1742493), (18, 1161662), (36, 580831), (191, 109476), (382, 54738), (573, 36492), (764, 27369), (1146, 18246), (1719, 12164), (2292, 9123), (3041, 6876), (3438, 6082)]