20445255

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1901}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 35605440

約数和(自身を除く): 15160185

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 1901, 2151, 3585, 5703, 9505, 10755, 17109, 28515, 85545, 454339, 1363017, 2271695, 4089051, 6815085, 20445255]

約数ペア:

[(1, 20445255), (3, 6815085), (5, 4089051), (9, 2271695), (15, 1363017), (45, 454339), (239, 85545), (717, 28515), (1195, 17109), (1901, 10755), (2151, 9505), (3585, 5703)]