16982020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77191}}^1$

素因数の和:77211

約数の個数: 24

約数和(自身を含む): 38904768

約数和(自身を除く): 21922748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 77191, 154382, 308764, 385955, 771910, 849101, 1543820, 1698202, 3396404, 4245505, 8491010, 16982020]

約数ペア:

[(1, 16982020), (2, 8491010), (4, 4245505), (5, 3396404), (10, 1698202), (11, 1543820), (20, 849101), (22, 771910), (44, 385955), (55, 308764), (110, 154382), (220, 77191)]