20201621868

素因数分解:

$2^2\times 3^2\times {\mathrm{7121}}^1\times {\mathrm{78803}}^1$

素因数の和:85934

約数の個数: 36

約数和(自身を含む): 51073030008

約数和(自身を除く): 30871408140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7121, 14242, 21363, 28484, 42726, 64089, 78803, 85452, 128178, 157606, 236409, 256356, 315212, 472818, 709227, 945636, 1418454, 2836908, 561156163, 1122312326, 1683468489, 2244624652, 3366936978, 5050405467, 6733873956, 10100810934, 20201621868]

約数ペア:

[(1, 20201621868), (2, 10100810934), (3, 6733873956), (4, 5050405467), (6, 3366936978), (9, 2244624652), (12, 1683468489), (18, 1122312326), (36, 561156163), (7121, 2836908), (14242, 1418454), (21363, 945636), (28484, 709227), (42726, 472818), (64089, 315212), (78803, 256356), (85452, 236409), (128178, 157606)]