20184175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3903

約数の個数: 24

約数和(自身を含む): 28748160

約数和(自身を除く): 8563985

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3863, 5225, 19315, 42493, 73397, 96575, 212465, 366985, 807367, 1062325, 1834925, 4036835, 20184175]

約数ペア:

[(1, 20184175), (5, 4036835), (11, 1834925), (19, 1062325), (25, 807367), (55, 366985), (95, 212465), (209, 96575), (275, 73397), (475, 42493), (1045, 19315), (3863, 5225)]