20624643

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 11611197

約数列:

[1, 3, 9, 13, 39, 117, 409, 431, 1227, 1293, 3681, 3879, 5317, 5603, 15951, 16809, 47853, 50427, 176279, 528837, 1586511, 2291627, 6874881, 20624643]

約数ペア:

[(1, 20624643), (3, 6874881), (9, 2291627), (13, 1586511), (39, 528837), (117, 176279), (409, 50427), (431, 47853), (1227, 16809), (1293, 15951), (3681, 5603), (3879, 5317)]