9678020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43991}}^1$

素因数の和:44011

約数の個数: 24

約数和(自身を含む): 22171968

約数和(自身を除く): 12493948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 43991, 87982, 175964, 219955, 439910, 483901, 879820, 967802, 1935604, 2419505, 4839010, 9678020]

約数ペア:

[(1, 9678020), (2, 4839010), (4, 2419505), (5, 1935604), (10, 967802), (11, 879820), (20, 483901), (22, 439910), (44, 219955), (55, 175964), (110, 87982), (220, 43991)]