20175668740

素因数分解:

$2^2\times 5^1\times {\mathrm{2467}}^1\times {\mathrm{408911}}^1$

素因数の和:411387

約数の個数: 24

約数和(自身を含む): 42386182272

約数和(自身を除く): 22210513532

約数列:

[1, 2, 4, 5, 10, 20, 2467, 4934, 9868, 12335, 24670, 49340, 408911, 817822, 1635644, 2044555, 4089110, 8178220, 1008783437, 2017566874, 4035133748, 5043917185, 10087834370, 20175668740]

約数ペア:

[(1, 20175668740), (2, 10087834370), (4, 5043917185), (5, 4035133748), (10, 2017566874), (20, 1008783437), (2467, 8178220), (4934, 4089110), (9868, 2044555), (12335, 1635644), (24670, 817822), (49340, 408911)]