17922820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10069}}^1$

素因数の和:10167

約数の個数: 24

約数和(自身を含む): 38064600

約数和(自身を除く): 20141780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10069, 20138, 40276, 50345, 100690, 201380, 896141, 1792282, 3584564, 4480705, 8961410, 17922820]

約数ペア:

[(1, 17922820), (2, 8961410), (4, 4480705), (5, 3584564), (10, 1792282), (20, 896141), (89, 201380), (178, 100690), (356, 50345), (445, 40276), (890, 20138), (1780, 10069)]