22109380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12421}}^1$

素因数の和:12519

約数の個数: 24

約数和(自身を含む): 46955160

約数和(自身を除く): 24845780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12421, 24842, 49684, 62105, 124210, 248420, 1105469, 2210938, 4421876, 5527345, 11054690, 22109380]

約数ペア:

[(1, 22109380), (2, 11054690), (4, 5527345), (5, 4421876), (10, 2210938), (20, 1105469), (89, 248420), (178, 124210), (356, 62105), (445, 49684), (890, 24842), (1780, 12421)]