20147984619

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23400679}}^1$

素因数の和:23400730

約数の個数: 16

約数和(自身を含む): 31450513920

約数和(自身を除く): 11302529301

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23400679, 70202037, 163804753, 491414259, 959427839, 2878283517, 6715994873, 20147984619]

約数ペア:

[(1, 20147984619), (3, 6715994873), (7, 2878283517), (21, 959427839), (41, 491414259), (123, 163804753), (287, 70202037), (861, 23400679)]