20128049914

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1439}}^1\times {\mathrm{7867}}^1$

素因数の和:9442

約数の個数: 32

約数和(自身を含む): 34805514240

約数和(自身を除く): 14677464326

約数列:

[1, 2, 7, 14, 127, 254, 889, 1439, 1778, 2878, 7867, 10073, 15734, 20146, 55069, 110138, 182753, 365506, 999109, 1279271, 1998218, 2558542, 6993763, 11320613, 13987526, 22641226, 79244291, 158488582, 1437717851, 2875435702, 10064024957, 20128049914]

約数ペア:

[(1, 20128049914), (2, 10064024957), (7, 2875435702), (14, 1437717851), (127, 158488582), (254, 79244291), (889, 22641226), (1439, 13987526), (1778, 11320613), (2878, 6993763), (7867, 2558542), (10073, 1998218), (15734, 1279271), (20146, 999109), (55069, 365506), (110138, 182753)]