20229565

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 25521408

約数和(自身を除く): 5291843

約数列:

[1, 5, 37, 43, 185, 215, 1591, 2543, 7955, 12715, 94091, 109349, 470455, 546745, 4045913, 20229565]

約数ペア:

[(1, 20229565), (5, 4045913), (37, 546745), (43, 470455), (185, 109349), (215, 94091), (1591, 12715), (2543, 7955)]