20443734

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 49172760

約数和(自身を除く): 28729026

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 113, 114, 138, 171, 207, 226, 339, 342, 414, 437, 529, 678, 874, 1017, 1058, 1311, 1587, 2034, 2147, 2599, 2622, 3174, 3933, 4294, 4761, 5198, 6441, 7797, 7866, 9522, 10051, 12882, 15594, 19323, 20102, 23391, 30153, 38646, 46782, 49381, 59777, 60306, 90459, 98762, 119554, 148143, 179331, 180918, 296286, 358662, 444429, 537993, 888858, 1075986, 1135763, 2271526, 3407289, 6814578, 10221867, 20443734]

約数ペア:

[(1, 20443734), (2, 10221867), (3, 6814578), (6, 3407289), (9, 2271526), (18, 1135763), (19, 1075986), (23, 888858), (38, 537993), (46, 444429), (57, 358662), (69, 296286), (113, 180918), (114, 179331), (138, 148143), (171, 119554), (207, 98762), (226, 90459), (339, 60306), (342, 59777), (414, 49381), (437, 46782), (529, 38646), (678, 30153), (874, 23391), (1017, 20102), (1058, 19323), (1311, 15594), (1587, 12882), (2034, 10051), (2147, 9522), (2599, 7866), (2622, 7797), (3174, 6441), (3933, 5198), (4294, 4761)]