20585616

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 55752384

約数和(自身を除く): 35166768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 67, 74, 111, 134, 148, 173, 201, 222, 268, 296, 346, 402, 444, 519, 536, 592, 692, 804, 888, 1038, 1072, 1384, 1608, 1776, 2076, 2479, 2768, 3216, 4152, 4958, 6401, 7437, 8304, 9916, 11591, 12802, 14874, 19203, 19832, 23182, 25604, 29748, 34773, 38406, 39664, 46364, 51208, 59496, 69546, 76812, 92728, 102416, 118992, 139092, 153624, 185456, 278184, 307248, 428867, 556368, 857734, 1286601, 1715468, 2573202, 3430936, 5146404, 6861872, 10292808, 20585616]

約数ペア:

[(1, 20585616), (2, 10292808), (3, 6861872), (4, 5146404), (6, 3430936), (8, 2573202), (12, 1715468), (16, 1286601), (24, 857734), (37, 556368), (48, 428867), (67, 307248), (74, 278184), (111, 185456), (134, 153624), (148, 139092), (173, 118992), (201, 102416), (222, 92728), (268, 76812), (296, 69546), (346, 59496), (402, 51208), (444, 46364), (519, 39664), (536, 38406), (592, 34773), (692, 29748), (804, 25604), (888, 23182), (1038, 19832), (1072, 19203), (1384, 14874), (1608, 12802), (1776, 11591), (2076, 9916), (2479, 8304), (2768, 7437), (3216, 6401), (4152, 4958)]