22102780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157877}}^1$

素因数の和:157893

約数の個数: 24

約数和(自身を含む): 53047008

約数和(自身を除く): 30944228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157877, 315754, 631508, 789385, 1105139, 1578770, 2210278, 3157540, 4420556, 5525695, 11051390, 22102780]

約数ペア:

[(1, 22102780), (2, 11051390), (4, 5525695), (5, 4420556), (7, 3157540), (10, 2210278), (14, 1578770), (20, 1105139), (28, 789385), (35, 631508), (70, 315754), (140, 157877)]