206545420

素因数分解:

$2^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{12107}}^1$

素因数の和:12969

約数の個数: 24

約数和(自身を含む): 434289744

約数和(自身を除く): 227744324

約数列:

[1, 2, 4, 5, 10, 20, 853, 1706, 3412, 4265, 8530, 12107, 17060, 24214, 48428, 60535, 121070, 242140, 10327271, 20654542, 41309084, 51636355, 103272710, 206545420]

約数ペア:

[(1, 206545420), (2, 103272710), (4, 51636355), (5, 41309084), (10, 20654542), (20, 10327271), (853, 242140), (1706, 121070), (3412, 60535), (4265, 48428), (8530, 24214), (12107, 17060)]