20189354620

素因数分解:

$2^2\times 5^1\times {\mathrm{13477}}^1\times {\mathrm{74903}}^1$

素因数の和:88389

約数の個数: 24

約数和(自身を含む): 42401356704

約数和(自身を除く): 22212002084

約数列:

[1, 2, 4, 5, 10, 20, 13477, 26954, 53908, 67385, 74903, 134770, 149806, 269540, 299612, 374515, 749030, 1498060, 1009467731, 2018935462, 4037870924, 5047338655, 10094677310, 20189354620]

約数ペア:

[(1, 20189354620), (2, 10094677310), (4, 5047338655), (5, 4037870924), (10, 2018935462), (20, 1009467731), (13477, 1498060), (26954, 749030), (53908, 374515), (67385, 299612), (74903, 269540), (134770, 149806)]