20143267720

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1168403}}^1$

素因数の和:1168845

約数の個数: 32

約数和(自身を含む): 45427547520

約数和(自身を除く): 25284279800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 17240, 1168403, 2336806, 4673612, 5842015, 9347224, 11684030, 23368060, 46736120, 503581693, 1007163386, 2014326772, 2517908465, 4028653544, 5035816930, 10071633860, 20143267720]

約数ペア:

[(1, 20143267720), (2, 10071633860), (4, 5035816930), (5, 4028653544), (8, 2517908465), (10, 2014326772), (20, 1007163386), (40, 503581693), (431, 46736120), (862, 23368060), (1724, 11684030), (2155, 9347224), (3448, 5842015), (4310, 4673612), (8620, 2336806), (17240, 1168403)]