20976175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 28748160

約数和(自身を除く): 7771985

約数列:

[1, 5, 11, 25, 55, 83, 275, 415, 913, 919, 2075, 4565, 4595, 10109, 22825, 22975, 50545, 76277, 252725, 381385, 839047, 1906925, 4195235, 20976175]

約数ペア:

[(1, 20976175), (5, 4195235), (11, 1906925), (25, 839047), (55, 381385), (83, 252725), (275, 76277), (415, 50545), (913, 22975), (919, 22825), (2075, 10109), (4565, 4595)]