20187661100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1852079}}^1$

素因数の和:1852202

約数の個数: 36

約数和(自身を含む): 44209149600

約数和(自身を除く): 24021488500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 1852079, 3704158, 7408316, 9260395, 18520790, 37041580, 46301975, 92603950, 185207900, 201876611, 403753222, 807506444, 1009383055, 2018766110, 4037532220, 5046915275, 10093830550, 20187661100]

約数ペア:

[(1, 20187661100), (2, 10093830550), (4, 5046915275), (5, 4037532220), (10, 2018766110), (20, 1009383055), (25, 807506444), (50, 403753222), (100, 201876611), (109, 185207900), (218, 92603950), (436, 46301975), (545, 37041580), (1090, 18520790), (2180, 9260395), (2725, 7408316), (5450, 3704158), (10900, 1852079)]