20117218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:978

約数の個数: 24

約数和(自身を含む): 33549516

約数和(自身を除く): 13432298

約数列:

[1, 2, 11, 22, 97, 121, 194, 242, 857, 1067, 1714, 2134, 9427, 11737, 18854, 23474, 83129, 103697, 166258, 207394, 914419, 1828838, 10058609, 20117218]

約数ペア:

[(1, 20117218), (2, 10058609), (11, 1828838), (22, 914419), (97, 207394), (121, 166258), (194, 103697), (242, 83129), (857, 23474), (1067, 18854), (1714, 11737), (2134, 9427)]