20737626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 53760000

約数和(自身を除く): 33022374

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 1999, 3458, 3998, 5187, 5997, 10374, 11994, 13993, 25987, 27986, 37981, 41979, 51974, 75962, 77961, 83958, 113943, 155922, 181909, 227886, 265867, 363818, 493753, 531734, 545727, 797601, 987506, 1091454, 1481259, 1595202, 2962518, 3456271, 6912542, 10368813, 20737626]

約数ペア:

[(1, 20737626), (2, 10368813), (3, 6912542), (6, 3456271), (7, 2962518), (13, 1595202), (14, 1481259), (19, 1091454), (21, 987506), (26, 797601), (38, 545727), (39, 531734), (42, 493753), (57, 363818), (78, 265867), (91, 227886), (114, 181909), (133, 155922), (182, 113943), (247, 83958), (266, 77961), (273, 75962), (399, 51974), (494, 41979), (546, 37981), (741, 27986), (798, 25987), (1482, 13993), (1729, 11994), (1999, 10374), (3458, 5997), (3998, 5187)]