20385255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123547}}^1$

素因数の和:123566

約数の個数: 16

約数和(自身を含む): 35581824

約数和(自身を除く): 15196569

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 123547, 370641, 617735, 1359017, 1853205, 4077051, 6795085, 20385255]

約数ペア:

[(1, 20385255), (3, 6795085), (5, 4077051), (11, 1853205), (15, 1359017), (33, 617735), (55, 370641), (165, 123547)]