20376027

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{643}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 33755904

約数和(自身を除く): 13379877

約数列:

[1, 3, 7, 9, 21, 63, 503, 643, 1509, 1929, 3521, 4501, 4527, 5787, 10563, 13503, 31689, 40509, 323429, 970287, 2264003, 2910861, 6792009, 20376027]

約数ペア:

[(1, 20376027), (3, 6792009), (7, 2910861), (9, 2264003), (21, 970287), (63, 323429), (503, 40509), (643, 31689), (1509, 13503), (1929, 10563), (3521, 5787), (4501, 4527)]