20901366

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{11971}}^1$

素因数の和:12076

約数の個数: 24

約数和(自身を含む): 45756984

約数和(自身を除く): 24855618

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 11971, 23942, 35913, 71826, 107739, 215478, 1161187, 2322374, 3483561, 6967122, 10450683, 20901366]

約数ペア:

[(1, 20901366), (2, 10450683), (3, 6967122), (6, 3483561), (9, 2322374), (18, 1161187), (97, 215478), (194, 107739), (291, 71826), (582, 35913), (873, 23942), (1746, 11971)]