20187627719

素因数分解:

$7^1\times {\mathrm{641}}^1\times {\mathrm{1103}}^1\times {\mathrm{4079}}^1$

素因数の和:5830

約数の個数: 16

約数和(自身を含む): 23134187520

約数和(自身を除く): 2946559801

約数列:

[1, 7, 641, 1103, 4079, 4487, 7721, 28553, 707023, 2614639, 4499137, 4949161, 18302473, 31493959, 2883946817, 20187627719]

約数ペア:

[(1, 20187627719), (7, 2883946817), (641, 31493959), (1103, 18302473), (4079, 4949161), (4487, 4499137), (7721, 2614639), (28553, 707023)]