20154486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 29487498

約数列:

[1, 2, 3, 6, 11, 17, 22, 23, 33, 34, 46, 51, 66, 69, 71, 102, 121, 138, 142, 187, 213, 242, 253, 363, 374, 391, 426, 506, 561, 726, 759, 781, 782, 1122, 1173, 1207, 1518, 1562, 1633, 2057, 2343, 2346, 2414, 2783, 3266, 3621, 4114, 4301, 4686, 4899, 5566, 6171, 7242, 8349, 8591, 8602, 9798, 12342, 12903, 13277, 16698, 17182, 17963, 25773, 25806, 26554, 27761, 35926, 39831, 47311, 51546, 53889, 55522, 79662, 83283, 94622, 107778, 141933, 146047, 166566, 197593, 283866, 292094, 305371, 395186, 438141, 592779, 610742, 876282, 916113, 1185558, 1832226, 3359081, 6718162, 10077243, 20154486]

約数ペア:

[(1, 20154486), (2, 10077243), (3, 6718162), (6, 3359081), (11, 1832226), (17, 1185558), (22, 916113), (23, 876282), (33, 610742), (34, 592779), (46, 438141), (51, 395186), (66, 305371), (69, 292094), (71, 283866), (102, 197593), (121, 166566), (138, 146047), (142, 141933), (187, 107778), (213, 94622), (242, 83283), (253, 79662), (363, 55522), (374, 53889), (391, 51546), (426, 47311), (506, 39831), (561, 35926), (726, 27761), (759, 26554), (781, 25806), (782, 25773), (1122, 17963), (1173, 17182), (1207, 16698), (1518, 13277), (1562, 12903), (1633, 12342), (2057, 9798), (2343, 8602), (2346, 8591), (2414, 8349), (2783, 7242), (3266, 6171), (3621, 5566), (4114, 4899), (4301, 4686)]