20553652

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5281}}^1$

素因数の和:5431

約数の個数: 24

約数和(自身を含む): 41410880

約数和(自身を除く): 20857228

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5281, 10562, 21124, 36967, 73934, 147868, 734059, 1468118, 2936236, 5138413, 10276826, 20553652]

約数ペア:

[(1, 20553652), (2, 10276826), (4, 5138413), (7, 2936236), (14, 1468118), (28, 734059), (139, 147868), (278, 73934), (556, 36967), (973, 21124), (1946, 10562), (3892, 5281)]