201765820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{104003}}^1$

素因数の和:104109

約数の個数: 24

約数和(自身を含む): 428080464

約数和(自身を除く): 226314644

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 104003, 208006, 416012, 520015, 1040030, 2080060, 10088291, 20176582, 40353164, 50441455, 100882910, 201765820]

約数ペア:

[(1, 201765820), (2, 100882910), (4, 50441455), (5, 40353164), (10, 20176582), (20, 10088291), (97, 2080060), (194, 1040030), (388, 520015), (485, 416012), (970, 208006), (1940, 104003)]