20039868

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5107}}^1$

素因数の和:5226

約数の個数: 36

約数和(自身を含む): 51131080

約数和(自身を除く): 31091212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5107, 10214, 15321, 20428, 30642, 45963, 61284, 91926, 183852, 556663, 1113326, 1669989, 2226652, 3339978, 5009967, 6679956, 10019934, 20039868]

約数ペア:

[(1, 20039868), (2, 10019934), (3, 6679956), (4, 5009967), (6, 3339978), (9, 2226652), (12, 1669989), (18, 1113326), (36, 556663), (109, 183852), (218, 91926), (327, 61284), (436, 45963), (654, 30642), (981, 20428), (1308, 15321), (1962, 10214), (3924, 5107)]