20795180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148537}}^1$

素因数の和:148553

約数の個数: 24

約数和(自身を含む): 49908768

約数和(自身を除く): 29113588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148537, 297074, 594148, 742685, 1039759, 1485370, 2079518, 2970740, 4159036, 5198795, 10397590, 20795180]

約数ペア:

[(1, 20795180), (2, 10397590), (4, 5198795), (5, 4159036), (7, 2970740), (10, 2079518), (14, 1485370), (20, 1039759), (28, 742685), (35, 594148), (70, 297074), (140, 148537)]