20555118

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26557}}^1$

素因数の和:26608

約数の個数: 24

約数和(自身を含む): 45573528

約数和(自身を除く): 25018410

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26557, 53114, 79671, 159342, 239013, 478026, 1141951, 2283902, 3425853, 6851706, 10277559, 20555118]

約数ペア:

[(1, 20555118), (2, 10277559), (3, 6851706), (6, 3425853), (9, 2283902), (18, 1141951), (43, 478026), (86, 239013), (129, 159342), (258, 79671), (387, 53114), (774, 26557)]