20173175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{673}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 27580080

約数和(自身を除く): 7406905

約数列:

[1, 5, 11, 25, 55, 109, 275, 545, 673, 1199, 2725, 3365, 5995, 7403, 16825, 29975, 37015, 73357, 185075, 366785, 806927, 1833925, 4034635, 20173175]

約数ペア:

[(1, 20173175), (5, 4034635), (11, 1833925), (25, 806927), (55, 366785), (109, 185075), (275, 73357), (545, 37015), (673, 29975), (1199, 16825), (2725, 7403), (3365, 5995)]