20186900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6961}}^1$

素因数の和:7004

約数の個数: 36

約数和(自身を含む): 45322620

約数和(自身を除く): 25135720

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6961, 13922, 27844, 34805, 69610, 139220, 174025, 201869, 348050, 403738, 696100, 807476, 1009345, 2018690, 4037380, 5046725, 10093450, 20186900]

約数ペア:

[(1, 20186900), (2, 10093450), (4, 5046725), (5, 4037380), (10, 2018690), (20, 1009345), (25, 807476), (29, 696100), (50, 403738), (58, 348050), (100, 201869), (116, 174025), (145, 139220), (290, 69610), (580, 34805), (725, 27844), (1450, 13922), (2900, 6961)]