20717820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115099}}^1$

素因数の和:115114

約数の個数: 36

約数和(自身を含む): 62844600

約数和(自身を除く): 42126780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115099, 230198, 345297, 460396, 575495, 690594, 1035891, 1150990, 1381188, 1726485, 2071782, 2301980, 3452970, 4143564, 5179455, 6905940, 10358910, 20717820]

約数ペア:

[(1, 20717820), (2, 10358910), (3, 6905940), (4, 5179455), (5, 4143564), (6, 3452970), (9, 2301980), (10, 2071782), (12, 1726485), (15, 1381188), (18, 1150990), (20, 1035891), (30, 690594), (36, 575495), (45, 460396), (60, 345297), (90, 230198), (180, 115099)]