20595744

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5501}}^1$

素因数の和:5530

約数の個数: 72

約数和(自身を含む): 63085932

約数和(自身を除く): 42490188

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5501, 11002, 16503, 22004, 33006, 44008, 49509, 66012, 71513, 88016, 99018, 132024, 143026, 176032, 198036, 214539, 264048, 286052, 396072, 429078, 528096, 572104, 643617, 792144, 858156, 1144208, 1287234, 1584288, 1716312, 2288416, 2574468, 3432624, 5148936, 6865248, 10297872, 20595744]

約数ペア:

[(1, 20595744), (2, 10297872), (3, 6865248), (4, 5148936), (6, 3432624), (8, 2574468), (9, 2288416), (12, 1716312), (13, 1584288), (16, 1287234), (18, 1144208), (24, 858156), (26, 792144), (32, 643617), (36, 572104), (39, 528096), (48, 429078), (52, 396072), (72, 286052), (78, 264048), (96, 214539), (104, 198036), (117, 176032), (144, 143026), (156, 132024), (208, 99018), (234, 88016), (288, 71513), (312, 66012), (416, 49509), (468, 44008), (624, 33006), (936, 22004), (1248, 16503), (1872, 11002), (3744, 5501)]