20161900816

素因数分解:

$2^4\times {\mathrm{2837}}^1\times {\mathrm{444173}}^1$

素因数の和:447018

約数の個数: 20

約数和(自身を含む): 39077540172

約数和(自身を除く): 18915639356

約数列:

[1, 2, 4, 8, 16, 2837, 5674, 11348, 22696, 45392, 444173, 888346, 1776692, 3553384, 7106768, 1260118801, 2520237602, 5040475204, 10080950408, 20161900816]

約数ペア:

[(1, 20161900816), (2, 10080950408), (4, 5040475204), (8, 2520237602), (16, 1260118801), (2837, 7106768), (5674, 3553384), (11348, 1776692), (22696, 888346), (45392, 444173)]