2017866740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1133633}}^1$

素因数の和:1133731

約数の個数: 24

約数和(自身を含む): 4285136520

約数和(自身を除く): 2267269780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1133633, 2267266, 4534532, 5668165, 11336330, 22672660, 100893337, 201786674, 403573348, 504466685, 1008933370, 2017866740]

約数ペア:

[(1, 2017866740), (2, 1008933370), (4, 504466685), (5, 403573348), (10, 201786674), (20, 100893337), (89, 22672660), (178, 11336330), (356, 5668165), (445, 4534532), (890, 2267266), (1780, 1133633)]