20587096

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 39986640

約数和(自身を除く): 19399544

約数列:

[1, 2, 4, 8, 37, 74, 148, 157, 296, 314, 443, 628, 886, 1256, 1772, 3544, 5809, 11618, 16391, 23236, 32782, 46472, 65564, 69551, 131128, 139102, 278204, 556408, 2573387, 5146774, 10293548, 20587096]

約数ペア:

[(1, 20587096), (2, 10293548), (4, 5146774), (8, 2573387), (37, 556408), (74, 278204), (148, 139102), (157, 131128), (296, 69551), (314, 65564), (443, 46472), (628, 32782), (886, 23236), (1256, 16391), (1772, 11618), (3544, 5809)]