20931860

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1493}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 44049096

約数和(自身を除く): 23117236

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 1493, 2804, 2986, 3505, 5972, 7010, 7465, 14020, 14930, 29860, 1046593, 2093186, 4186372, 5232965, 10465930, 20931860]

約数ペア:

[(1, 20931860), (2, 10465930), (4, 5232965), (5, 4186372), (10, 2093186), (20, 1046593), (701, 29860), (1402, 14930), (1493, 14020), (2804, 7465), (2986, 7010), (3505, 5972)]