20778844310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2089}}^1\times {\mathrm{142097}}^1$

素因数の和:144200

約数の個数: 32

約数和(自身を含む): 42765814080

約数和(自身を除く): 21986969770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2089, 4178, 10445, 14623, 20890, 29246, 73115, 142097, 146230, 284194, 710485, 994679, 1420970, 1989358, 4973395, 9946790, 296840633, 593681266, 1484203165, 2077884431, 2968406330, 4155768862, 10389422155, 20778844310]

約数ペア:

[(1, 20778844310), (2, 10389422155), (5, 4155768862), (7, 2968406330), (10, 2077884431), (14, 1484203165), (35, 593681266), (70, 296840633), (2089, 9946790), (4178, 4973395), (10445, 1989358), (14623, 1420970), (20890, 994679), (29246, 710485), (73115, 284194), (142097, 146230)]