20237485

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 24900480

約数和(自身を除く): 4662995

約数列:

[1, 5, 71, 109, 355, 523, 545, 2615, 7739, 37133, 38695, 57007, 185665, 285035, 4047497, 20237485]

約数ペア:

[(1, 20237485), (5, 4047497), (71, 285035), (109, 185665), (355, 57007), (523, 38695), (545, 37133), (2615, 7739)]