15384820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69931}}^1$

素因数の和:69951

約数の個数: 24

約数和(自身を含む): 35245728

約数和(自身を除く): 19860908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 69931, 139862, 279724, 349655, 699310, 769241, 1398620, 1538482, 3076964, 3846205, 7692410, 15384820]

約数ペア:

[(1, 15384820), (2, 7692410), (4, 3846205), (5, 3076964), (10, 1538482), (11, 1398620), (20, 769241), (22, 699310), (44, 349655), (55, 279724), (110, 139862), (220, 69931)]