20590856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 25978744

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 286, 328, 439, 451, 533, 572, 878, 902, 1066, 1144, 1756, 1804, 2132, 3512, 3608, 4264, 4829, 5707, 5863, 9658, 11414, 11726, 17999, 19316, 22828, 23452, 35998, 38632, 45656, 46904, 62777, 71996, 125554, 143992, 197989, 233987, 251108, 395978, 467974, 502216, 791956, 935948, 1583912, 1871896, 2573857, 5147714, 10295428, 20590856]

約数ペア:

[(1, 20590856), (2, 10295428), (4, 5147714), (8, 2573857), (11, 1871896), (13, 1583912), (22, 935948), (26, 791956), (41, 502216), (44, 467974), (52, 395978), (82, 251108), (88, 233987), (104, 197989), (143, 143992), (164, 125554), (286, 71996), (328, 62777), (439, 46904), (451, 45656), (533, 38632), (572, 35998), (878, 23452), (902, 22828), (1066, 19316), (1144, 17999), (1756, 11726), (1804, 11414), (2132, 9658), (3512, 5863), (3608, 5707), (4264, 4829)]