2017993820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1040203}}^1$

素因数の和:1040309

約数の個数: 24

約数和(自身を含む): 4281479664

約数和(自身を除く): 2263485844

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 1040203, 2080406, 4160812, 5201015, 10402030, 20804060, 100899691, 201799382, 403598764, 504498455, 1008996910, 2017993820]

約数ペア:

[(1, 2017993820), (2, 1008996910), (4, 504498455), (5, 403598764), (10, 201799382), (20, 100899691), (97, 20804060), (194, 10402030), (388, 5201015), (485, 4160812), (970, 2080406), (1940, 1040203)]