20502724

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{3851}}^1$

素因数の和:3888

約数の個数: 24

約数和(自身を含む): 39475296

約数和(自身を除く): 18972572

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 3851, 5324, 7702, 15404, 42361, 84722, 169444, 465971, 931942, 1863884, 5125681, 10251362, 20502724]

約数ペア:

[(1, 20502724), (2, 10251362), (4, 5125681), (11, 1863884), (22, 931942), (44, 465971), (121, 169444), (242, 84722), (484, 42361), (1331, 15404), (2662, 7702), (3851, 5324)]