20520504

素因数分解:

$2^3\times 3^2\times {\mathrm{285007}}^1$

素因数の和:285019

約数の個数: 24

約数和(自身を含む): 55576560

約数和(自身を除く): 35056056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 285007, 570014, 855021, 1140028, 1710042, 2280056, 2565063, 3420084, 5130126, 6840168, 10260252, 20520504]

約数ペア:

[(1, 20520504), (2, 10260252), (3, 6840168), (4, 5130126), (6, 3420084), (8, 2565063), (9, 2280056), (12, 1710042), (18, 1140028), (24, 855021), (36, 570014), (72, 285007)]