27202220

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7121}}^1$

素因数の和:7321

約数の個数: 24

約数和(自身を含む): 57431808

約数和(自身を除く): 30229588

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 7121, 14242, 28484, 35605, 71210, 142420, 1360111, 2720222, 5440444, 6800555, 13601110, 27202220]

約数ペア:

[(1, 27202220), (2, 13601110), (4, 6800555), (5, 5440444), (10, 2720222), (20, 1360111), (191, 142420), (382, 71210), (764, 35605), (955, 28484), (1910, 14242), (3820, 7121)]