20406913228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2268443}}^1$

素因数の和:2268633

約数の個数: 24

約数和(自身を含む): 38681507088

約数和(自身を除く): 18274593860

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 2268443, 4536886, 9073772, 29489759, 58979518, 117959036, 392440639, 784881278, 1569762556, 5101728307, 10203456614, 20406913228]

約数ペア:

[(1, 20406913228), (2, 10203456614), (4, 5101728307), (13, 1569762556), (26, 784881278), (52, 392440639), (173, 117959036), (346, 58979518), (692, 29489759), (2249, 9073772), (4498, 4536886), (8996, 2268443)]