20965152

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 60201792

約数和(自身を除く): 39236640

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 107, 156, 157, 208, 214, 312, 314, 321, 416, 428, 471, 624, 628, 642, 856, 942, 1248, 1256, 1284, 1391, 1712, 1884, 2041, 2512, 2568, 2782, 3424, 3768, 4082, 4173, 5024, 5136, 5564, 6123, 7536, 8164, 8346, 10272, 11128, 12246, 15072, 16328, 16692, 16799, 22256, 24492, 32656, 33384, 33598, 44512, 48984, 50397, 65312, 66768, 67196, 97968, 100794, 133536, 134392, 195936, 201588, 218387, 268784, 403176, 436774, 537568, 655161, 806352, 873548, 1310322, 1612704, 1747096, 2620644, 3494192, 5241288, 6988384, 10482576, 20965152]

約数ペア:

[(1, 20965152), (2, 10482576), (3, 6988384), (4, 5241288), (6, 3494192), (8, 2620644), (12, 1747096), (13, 1612704), (16, 1310322), (24, 873548), (26, 806352), (32, 655161), (39, 537568), (48, 436774), (52, 403176), (78, 268784), (96, 218387), (104, 201588), (107, 195936), (156, 134392), (157, 133536), (208, 100794), (214, 97968), (312, 67196), (314, 66768), (321, 65312), (416, 50397), (428, 48984), (471, 44512), (624, 33598), (628, 33384), (642, 32656), (856, 24492), (942, 22256), (1248, 16799), (1256, 16692), (1284, 16328), (1391, 15072), (1712, 12246), (1884, 11128), (2041, 10272), (2512, 8346), (2568, 8164), (2782, 7536), (3424, 6123), (3768, 5564), (4082, 5136), (4173, 5024)]