20436724

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9479}}^1$

素因数の和:9508

約数の個数: 36

約数和(自身を含む): 45390240

約数和(自身を除く): 24953516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9479, 18958, 37916, 66353, 104269, 132706, 208538, 265412, 417076, 464471, 729883, 928942, 1459766, 1857884, 2919532, 5109181, 10218362, 20436724]

約数ペア:

[(1, 20436724), (2, 10218362), (4, 5109181), (7, 2919532), (11, 1857884), (14, 1459766), (22, 928942), (28, 729883), (44, 464471), (49, 417076), (77, 265412), (98, 208538), (154, 132706), (196, 104269), (308, 66353), (539, 37916), (1078, 18958), (2156, 9479)]