20199242680

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4468859}}^1$

素因数の和:4468983

約数の個数: 32

約数和(自身を含む): 45850503600

約数和(自身を除く): 25651260920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 4468859, 8937718, 17875436, 22344295, 35750872, 44688590, 89377180, 178754360, 504981067, 1009962134, 2019924268, 2524905335, 4039848536, 5049810670, 10099621340, 20199242680]

約数ペア:

[(1, 20199242680), (2, 10099621340), (4, 5049810670), (5, 4039848536), (8, 2524905335), (10, 2019924268), (20, 1009962134), (40, 504981067), (113, 178754360), (226, 89377180), (452, 44688590), (565, 35750872), (904, 22344295), (1130, 17875436), (2260, 8937718), (4520, 4468859)]