20173969497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 30128744448

約数和(自身を除く): 9954774951

約数列:

[1, 3, 11, 33, 107, 151, 157, 241, 321, 453, 471, 723, 1177, 1661, 1727, 2651, 3531, 4983, 5181, 7953, 16157, 16799, 23707, 25787, 36391, 37837, 48471, 50397, 71121, 77361, 109173, 113511, 177727, 184789, 260777, 283657, 400301, 416207, 533181, 554367, 782331, 850971, 1200903, 1248621, 2536649, 3893837, 4048559, 5713387, 7609947, 11681511, 12145677, 17140161, 27903139, 42832207, 44534149, 62847257, 83709417, 128496621, 133602447, 188541771, 611332409, 1833997227, 6724656499, 20173969497]

約数ペア:

[(1, 20173969497), (3, 6724656499), (11, 1833997227), (33, 611332409), (107, 188541771), (151, 133602447), (157, 128496621), (241, 83709417), (321, 62847257), (453, 44534149), (471, 42832207), (723, 27903139), (1177, 17140161), (1661, 12145677), (1727, 11681511), (2651, 7609947), (3531, 5713387), (4983, 4048559), (5181, 3893837), (7953, 2536649), (16157, 1248621), (16799, 1200903), (23707, 850971), (25787, 782331), (36391, 554367), (37837, 533181), (48471, 416207), (50397, 400301), (71121, 283657), (77361, 260777), (109173, 184789), (113511, 177727)]