20045975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 26636688

約数和(自身を除く): 6590713

約数列:

[1, 5, 17, 25, 85, 101, 425, 467, 505, 1717, 2335, 2525, 7939, 8585, 11675, 39695, 42925, 47167, 198475, 235835, 801839, 1179175, 4009195, 20045975]

約数ペア:

[(1, 20045975), (5, 4009195), (17, 1179175), (25, 801839), (85, 235835), (101, 198475), (425, 47167), (467, 42925), (505, 39695), (1717, 11675), (2335, 8585), (2525, 7939)]