20463963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{811}}^1$

素因数の和:1474

約数の個数: 16

約数和(自身を含む): 29465856

約数和(自身を除く): 9001893

約数列:

[1, 3, 13, 39, 647, 811, 1941, 2433, 8411, 10543, 25233, 31629, 524717, 1574151, 6821321, 20463963]

約数ペア:

[(1, 20463963), (3, 6821321), (13, 1574151), (39, 524717), (647, 31629), (811, 25233), (1941, 10543), (2433, 8411)]