20173391480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{515153}}^1$

素因数の和:515264

約数の個数: 64

約数和(自身を含む): 50072968800

約数和(自身を除く): 29899577320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 19580, 39160, 515153, 1030306, 2060612, 2575765, 4121224, 5151530, 5666683, 10303060, 11333366, 20606120, 22666732, 28333415, 45333464, 45848617, 56666830, 91697234, 113333660, 183394468, 226667320, 229243085, 366788936, 458486170, 504334787, 916972340, 1008669574, 1833944680, 2017339148, 2521673935, 4034678296, 5043347870, 10086695740, 20173391480]

約数ペア:

[(1, 20173391480), (2, 10086695740), (4, 5043347870), (5, 4034678296), (8, 2521673935), (10, 2017339148), (11, 1833944680), (20, 1008669574), (22, 916972340), (40, 504334787), (44, 458486170), (55, 366788936), (88, 229243085), (89, 226667320), (110, 183394468), (178, 113333660), (220, 91697234), (356, 56666830), (440, 45848617), (445, 45333464), (712, 28333415), (890, 22666732), (979, 20606120), (1780, 11333366), (1958, 10303060), (3560, 5666683), (3916, 5151530), (4895, 4121224), (7832, 2575765), (9790, 2060612), (19580, 1030306), (39160, 515153)]