20558606

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{757}}^1$

素因数の和:1163

約数の個数: 16

約数和(自身を含む): 31799616

約数和(自身を除く): 11241010

約数列:

[1, 2, 37, 74, 367, 734, 757, 1514, 13579, 27158, 28009, 56018, 277819, 555638, 10279303, 20558606]

約数ペア:

[(1, 20558606), (2, 10279303), (37, 555638), (74, 277819), (367, 56018), (734, 28009), (757, 27158), (1514, 13579)]