20783751

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1657}}^1$

素因数の和:1810

約数の個数: 16

約数和(自身を含む): 28729824

約数和(自身を除く): 7946073

約数列:

[1, 3, 37, 111, 113, 339, 1657, 4181, 4971, 12543, 61309, 183927, 187241, 561723, 6927917, 20783751]

約数ペア:

[(1, 20783751), (3, 6927917), (37, 561723), (111, 187241), (113, 183927), (339, 61309), (1657, 12543), (4181, 4971)]