20019924

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17939}}^1$

素因数の和:17980

約数の個数: 36

約数和(自身を含む): 52241280

約数和(自身を除く): 32221356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17939, 35878, 53817, 71756, 107634, 161451, 215268, 322902, 556109, 645804, 1112218, 1668327, 2224436, 3336654, 5004981, 6673308, 10009962, 20019924]

約数ペア:

[(1, 20019924), (2, 10009962), (3, 6673308), (4, 5004981), (6, 3336654), (9, 2224436), (12, 1668327), (18, 1112218), (31, 645804), (36, 556109), (62, 322902), (93, 215268), (124, 161451), (186, 107634), (279, 71756), (372, 53817), (558, 35878), (1116, 17939)]