209996642020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20309153}}^1$

素因数の和:20309220

約数の個数: 48

約数和(自身を含む): 491319053568

約数和(自身を除く): 281322411548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 20309153, 40618306, 81236612, 101545765, 203091530, 223400683, 406183060, 446801366, 893602732, 954530191, 1117003415, 1909060382, 2234006830, 3818120764, 4468013660, 4772650955, 9545301910, 10499832101, 19090603820, 20999664202, 41999328404, 52499160505, 104998321010, 209996642020]

約数ペア:

[(1, 209996642020), (2, 104998321010), (4, 52499160505), (5, 41999328404), (10, 20999664202), (11, 19090603820), (20, 10499832101), (22, 9545301910), (44, 4772650955), (47, 4468013660), (55, 3818120764), (94, 2234006830), (110, 1909060382), (188, 1117003415), (220, 954530191), (235, 893602732), (470, 446801366), (517, 406183060), (940, 223400683), (1034, 203091530), (2068, 101545765), (2585, 81236612), (5170, 40618306), (10340, 20309153)]