20372004

素因数分解:

$2^2\times 3^2\times {\mathrm{565889}}^1$

素因数の和:565899

約数の個数: 18

約数和(自身を含む): 51495990

約数和(自身を除く): 31123986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 565889, 1131778, 1697667, 2263556, 3395334, 5093001, 6790668, 10186002, 20372004]

約数ペア:

[(1, 20372004), (2, 10186002), (3, 6790668), (4, 5093001), (6, 3395334), (9, 2263556), (12, 1697667), (18, 1131778), (36, 565889)]