20828580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347143}}^1$

素因数の和:347155

約数の個数: 24

約数和(自身を含む): 58320192

約数和(自身を除く): 37491612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347143, 694286, 1041429, 1388572, 1735715, 2082858, 3471430, 4165716, 5207145, 6942860, 10414290, 20828580]

約数ペア:

[(1, 20828580), (2, 10414290), (3, 6942860), (4, 5207145), (5, 4165716), (6, 3471430), (10, 2082858), (12, 1735715), (15, 1388572), (20, 1041429), (30, 694286), (60, 347143)]