20807540204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1049}}^1\times {\mathrm{450809}}^1$

素因数の和:451873

約数の個数: 24

約数和(自身を含む): 39761442000

約数和(自身を除く): 18953901796

約数列:

[1, 2, 4, 11, 22, 44, 1049, 2098, 4196, 11539, 23078, 46156, 450809, 901618, 1803236, 4958899, 9917798, 19835596, 472898641, 945797282, 1891594564, 5201885051, 10403770102, 20807540204]

約数ペア:

[(1, 20807540204), (2, 10403770102), (4, 5201885051), (11, 1891594564), (22, 945797282), (44, 472898641), (1049, 19835596), (2098, 9917798), (4196, 4958899), (11539, 1803236), (23078, 901618), (46156, 450809)]