20952220

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3347}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 44153424

約数和(自身を除く): 23201204

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3347, 6260, 6694, 13388, 16735, 33470, 66940, 1047611, 2095222, 4190444, 5238055, 10476110, 20952220]

約数ペア:

[(1, 20952220), (2, 10476110), (4, 5238055), (5, 4190444), (10, 2095222), (20, 1047611), (313, 66940), (626, 33470), (1252, 16735), (1565, 13388), (3130, 6694), (3347, 6260)]