20153973128

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{1693}}^1\times {\mathrm{3359}}^1$

素因数の和:5501

約数の個数: 32

約数和(自身を含む): 37907654400

約数和(自身を除く): 17753681272

約数列:

[1, 2, 4, 8, 443, 886, 1693, 1772, 3359, 3386, 3544, 6718, 6772, 13436, 13544, 26872, 749999, 1488037, 1499998, 2976074, 2999996, 5686787, 5952148, 5999992, 11373574, 11904296, 22747148, 45494296, 2519246641, 5038493282, 10076986564, 20153973128]

約数ペア:

[(1, 20153973128), (2, 10076986564), (4, 5038493282), (8, 2519246641), (443, 45494296), (886, 22747148), (1693, 11904296), (1772, 11373574), (3359, 5999992), (3386, 5952148), (3544, 5686787), (6718, 2999996), (6772, 2976074), (13436, 1499998), (13544, 1488037), (26872, 749999)]