20931291260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{923711}}^1$

素因数の和:923834

約数の個数: 48

約数和(自身を含む): 48417288192

約数和(自身を除く): 27485996932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 4532, 5665, 11330, 22660, 923711, 1847422, 3694844, 4618555, 9237110, 10160821, 18474220, 20321642, 40643284, 50804105, 95142233, 101608210, 190284466, 203216420, 380568932, 475711165, 951422330, 1046564563, 1902844660, 2093129126, 4186258252, 5232822815, 10465645630, 20931291260]

約数ペア:

[(1, 20931291260), (2, 10465645630), (4, 5232822815), (5, 4186258252), (10, 2093129126), (11, 1902844660), (20, 1046564563), (22, 951422330), (44, 475711165), (55, 380568932), (103, 203216420), (110, 190284466), (206, 101608210), (220, 95142233), (412, 50804105), (515, 40643284), (1030, 20321642), (1133, 18474220), (2060, 10160821), (2266, 9237110), (4532, 4618555), (5665, 3694844), (11330, 1847422), (22660, 923711)]