20202880

素因数分解:

$2^7\times 5^1\times {\mathrm{31567}}^1$

素因数の和:31586

約数の個数: 32

約数和(自身を含む): 48299040

約数和(自身を除く): 28096160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31567, 63134, 126268, 157835, 252536, 315670, 505072, 631340, 1010144, 1262680, 2020288, 2525360, 4040576, 5050720, 10101440, 20202880]

約数ペア:

[(1, 20202880), (2, 10101440), (4, 5050720), (5, 4040576), (8, 2525360), (10, 2020288), (16, 1262680), (20, 1010144), (32, 631340), (40, 505072), (64, 315670), (80, 252536), (128, 157835), (160, 126268), (320, 63134), (640, 31567)]