20450035

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 25027200

約数和(自身を除く): 4577165

約数列:

[1, 5, 109, 157, 239, 545, 785, 1195, 17113, 26051, 37523, 85565, 130255, 187615, 4090007, 20450035]

約数ペア:

[(1, 20450035), (5, 4090007), (109, 187615), (157, 130255), (239, 85565), (545, 37523), (785, 26051), (1195, 17113)]