20307802912

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{54751}}^1$

素因数の和:55001

約数の個数: 48

約数和(自身を含む): 40813016832

約数和(自身を除く): 20505213920

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 173, 268, 346, 536, 692, 1072, 1384, 2144, 2768, 5536, 11591, 23182, 46364, 54751, 92728, 109502, 185456, 219004, 370912, 438008, 876016, 1752032, 3668317, 7336634, 9471923, 14673268, 18943846, 29346536, 37887692, 58693072, 75775384, 117386144, 151550768, 303101536, 634618841, 1269237682, 2538475364, 5076950728, 10153901456, 20307802912]

約数ペア:

[(1, 20307802912), (2, 10153901456), (4, 5076950728), (8, 2538475364), (16, 1269237682), (32, 634618841), (67, 303101536), (134, 151550768), (173, 117386144), (268, 75775384), (346, 58693072), (536, 37887692), (692, 29346536), (1072, 18943846), (1384, 14673268), (2144, 9471923), (2768, 7336634), (5536, 3668317), (11591, 1752032), (23182, 876016), (46364, 438008), (54751, 370912), (92728, 219004), (109502, 185456)]