420047540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1909307}}^1$

素因数の和:1909327

約数の個数: 24

約数和(自身を含む): 962291232

約数和(自身を除く): 542243692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1909307, 3818614, 7637228, 9546535, 19093070, 21002377, 38186140, 42004754, 84009508, 105011885, 210023770, 420047540]

約数ペア:

[(1, 420047540), (2, 210023770), (4, 105011885), (5, 84009508), (10, 42004754), (11, 38186140), (20, 21002377), (22, 19093070), (44, 9546535), (55, 7637228), (110, 3818614), (220, 1909307)]