20208978867

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{167917}}^1$

素因数の和:168459

約数の個数: 32

約数和(自身を含む): 33658827264

約数和(自身を除く): 13449848397

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 521, 1563, 3647, 5731, 10941, 17193, 40117, 120351, 167917, 503751, 1175419, 1847087, 3526257, 5541261, 12929609, 38788827, 87484757, 262454271, 612393299, 962332327, 1837179897, 2886996981, 6736326289, 20208978867]

約数ペア:

[(1, 20208978867), (3, 6736326289), (7, 2886996981), (11, 1837179897), (21, 962332327), (33, 612393299), (77, 262454271), (231, 87484757), (521, 38788827), (1563, 12929609), (3647, 5541261), (5731, 3526257), (10941, 1847087), (17193, 1175419), (40117, 503751), (120351, 167917)]