20736156968

素因数分解:

$2^3\times {\mathrm{613}}^1\times {\mathrm{661}}^1\times {\mathrm{6397}}^1$

素因数の和:7677

約数の個数: 32

約数和(自身を含む): 39008733960

約数和(自身を除く): 18272576992

約数列:

[1, 2, 4, 8, 613, 661, 1226, 1322, 2452, 2644, 4904, 5288, 6397, 12794, 25588, 51176, 405193, 810386, 1620772, 3241544, 3921361, 4228417, 7842722, 8456834, 15685444, 16913668, 31370888, 33827336, 2592019621, 5184039242, 10368078484, 20736156968]

約数ペア:

[(1, 20736156968), (2, 10368078484), (4, 5184039242), (8, 2592019621), (613, 33827336), (661, 31370888), (1226, 16913668), (1322, 15685444), (2452, 8456834), (2644, 7842722), (4904, 4228417), (5288, 3921361), (6397, 3241544), (12794, 1620772), (25588, 810386), (51176, 405193)]