4838020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21991}}^1$

素因数の和:22011

約数の個数: 24

約数和(自身を含む): 11083968

約数和(自身を除く): 6245948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 21991, 43982, 87964, 109955, 219910, 241901, 439820, 483802, 967604, 1209505, 2419010, 4838020]

約数ペア:

[(1, 4838020), (2, 2419010), (4, 1209505), (5, 967604), (10, 483802), (11, 439820), (20, 241901), (22, 219910), (44, 109955), (55, 87964), (110, 43982), (220, 21991)]