20761099920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2621351}}^1$

素因数の和:2621381

約数の個数: 120

約数和(自身を含む): 76061149632

約数和(自身を除く): 55300049712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 2621351, 5242702, 7864053, 10485404, 13106755, 15728106, 20970808, 23592159, 26213510, 28834861, 31456212, 39320265, 41941616, 47184318, 52427020, 57669722, 62912424, 78640530, 86504583, 94368636, 104854040, 115339444, 117960795, 125824848, 144174305, 157281060, 173009166, 188737272, 209708080, 230678888, 235921590, 259513749, 288348610, 314562120, 346018332, 377474544, 432522915, 461357776, 471843180, 519027498, 576697220, 629124240, 692036664, 865045830, 943686360, 1038054996, 1153394440, 1297568745, 1384073328, 1730091660, 1887372720, 2076109992, 2306788880, 2595137490, 3460183320, 4152219984, 5190274980, 6920366640, 10380549960, 20761099920]

約数ペア:

[(1, 20761099920), (2, 10380549960), (3, 6920366640), (4, 5190274980), (5, 4152219984), (6, 3460183320), (8, 2595137490), (9, 2306788880), (10, 2076109992), (11, 1887372720), (12, 1730091660), (15, 1384073328), (16, 1297568745), (18, 1153394440), (20, 1038054996), (22, 943686360), (24, 865045830), (30, 692036664), (33, 629124240), (36, 576697220), (40, 519027498), (44, 471843180), (45, 461357776), (48, 432522915), (55, 377474544), (60, 346018332), (66, 314562120), (72, 288348610), (80, 259513749), (88, 235921590), (90, 230678888), (99, 209708080), (110, 188737272), (120, 173009166), (132, 157281060), (144, 144174305), (165, 125824848), (176, 117960795), (180, 115339444), (198, 104854040), (220, 94368636), (240, 86504583), (264, 78640530), (330, 62912424), (360, 57669722), (396, 52427020), (440, 47184318), (495, 41941616), (528, 39320265), (660, 31456212), (720, 28834861), (792, 26213510), (880, 23592159), (990, 20970808), (1320, 15728106), (1584, 13106755), (1980, 10485404), (2640, 7864053), (3960, 5242702), (7920, 2621351)]