8019220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36451}}^1$

素因数の和:36471

約数の個数: 24

約数和(自身を含む): 18371808

約数和(自身を除く): 10352588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 36451, 72902, 145804, 182255, 364510, 400961, 729020, 801922, 1603844, 2004805, 4009610, 8019220]

約数ペア:

[(1, 8019220), (2, 4009610), (4, 2004805), (5, 1603844), (10, 801922), (11, 729020), (20, 400961), (22, 364510), (44, 182255), (55, 145804), (110, 72902), (220, 36451)]