20664260

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3301}}^1$

素因数の和:3623

約数の個数: 24

約数和(自身を含む): 43546776

約数和(自身を除く): 22882516

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3301, 6260, 6602, 13204, 16505, 33010, 66020, 1033213, 2066426, 4132852, 5166065, 10332130, 20664260]

約数ペア:

[(1, 20664260), (2, 10332130), (4, 5166065), (5, 4132852), (10, 2066426), (20, 1033213), (313, 66020), (626, 33010), (1252, 16505), (1565, 13204), (3130, 6602), (3301, 6260)]