20164912

素因数分解:

$2^4\times {\mathrm{1039}}^1\times {\mathrm{1213}}^1$

素因数の和:2260

約数の個数: 20

約数和(自身を含む): 39139360

約数和(自身を除く): 18974448

約数列:

[1, 2, 4, 8, 16, 1039, 1213, 2078, 2426, 4156, 4852, 8312, 9704, 16624, 19408, 1260307, 2520614, 5041228, 10082456, 20164912]

約数ペア:

[(1, 20164912), (2, 10082456), (4, 5041228), (8, 2520614), (16, 1260307), (1039, 19408), (1213, 16624), (2078, 9704), (2426, 8312), (4156, 4852)]