20328495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123203}}^1$

素因数の和:123222

約数の個数: 16

約数和(自身を含む): 35482752

約数和(自身を除く): 15154257

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 123203, 369609, 616015, 1355233, 1848045, 4065699, 6776165, 20328495]

約数ペア:

[(1, 20328495), (3, 6776165), (5, 4065699), (11, 1848045), (15, 1355233), (33, 616015), (55, 369609), (165, 123203)]