20420028

素因数分解:

$2^2\times 3^2\times {\mathrm{383}}^1\times {\mathrm{1481}}^1$

素因数の和:1874

約数の個数: 36

約数和(自身を含む): 51787008

約数和(自身を除く): 31366980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 383, 766, 1149, 1481, 1532, 2298, 2962, 3447, 4443, 4596, 5924, 6894, 8886, 13329, 13788, 17772, 26658, 53316, 567223, 1134446, 1701669, 2268892, 3403338, 5105007, 6806676, 10210014, 20420028]

約数ペア:

[(1, 20420028), (2, 10210014), (3, 6806676), (4, 5105007), (6, 3403338), (9, 2268892), (12, 1701669), (18, 1134446), (36, 567223), (383, 53316), (766, 26658), (1149, 17772), (1481, 13788), (1532, 13329), (2298, 8886), (2962, 6894), (3447, 5924), (4443, 4596)]