20953847056

素因数分解:

$2^4\times {\mathrm{20147}}^1\times {\mathrm{65003}}^1$

素因数の和:85158

約数の個数: 20

約数和(自身を含む): 40600718352

約数和(自身を除く): 19646871296

約数列:

[1, 2, 4, 8, 16, 20147, 40294, 65003, 80588, 130006, 161176, 260012, 322352, 520024, 1040048, 1309615441, 2619230882, 5238461764, 10476923528, 20953847056]

約数ペア:

[(1, 20953847056), (2, 10476923528), (4, 5238461764), (8, 2619230882), (16, 1309615441), (20147, 1040048), (40294, 520024), (65003, 322352), (80588, 260012), (130006, 161176)]