20177243540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10400641}}^1$

素因数の和:10400747

約数の個数: 24

約数和(自身を含む): 42809042472

約数和(自身を除く): 22631798932

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10400641, 20801282, 41602564, 52003205, 104006410, 208012820, 1008862177, 2017724354, 4035448708, 5044310885, 10088621770, 20177243540]

約数ペア:

[(1, 20177243540), (2, 10088621770), (4, 5044310885), (5, 4035448708), (10, 2017724354), (20, 1008862177), (97, 208012820), (194, 104006410), (388, 52003205), (485, 41602564), (970, 20801282), (1940, 10400641)]