20794337740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{367781}}^1$

素因数の和:368058

約数の個数: 48

約数和(自身を含む): 47823429024

約数和(自身を除く): 27029091284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 2570, 2827, 5140, 5654, 11308, 14135, 28270, 56540, 367781, 735562, 1471124, 1838905, 3677810, 4045591, 7355620, 8091182, 16182364, 20227955, 40455910, 80911820, 94519717, 189039434, 378078868, 472598585, 945197170, 1039716887, 1890394340, 2079433774, 4158867548, 5198584435, 10397168870, 20794337740]

約数ペア:

[(1, 20794337740), (2, 10397168870), (4, 5198584435), (5, 4158867548), (10, 2079433774), (11, 1890394340), (20, 1039716887), (22, 945197170), (44, 472598585), (55, 378078868), (110, 189039434), (220, 94519717), (257, 80911820), (514, 40455910), (1028, 20227955), (1285, 16182364), (2570, 8091182), (2827, 7355620), (5140, 4045591), (5654, 3677810), (11308, 1838905), (14135, 1471124), (28270, 735562), (56540, 367781)]