20926136

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 52202880

約数和(自身を除く): 31276744

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 49, 56, 77, 88, 92, 98, 154, 161, 184, 196, 211, 253, 308, 322, 392, 422, 506, 539, 616, 644, 844, 1012, 1078, 1127, 1288, 1477, 1688, 1771, 2024, 2156, 2254, 2321, 2954, 3542, 4312, 4508, 4642, 4853, 5908, 7084, 9016, 9284, 9706, 10339, 11816, 12397, 14168, 16247, 18568, 19412, 20678, 24794, 32494, 33971, 38824, 41356, 49588, 53383, 64988, 67942, 82712, 99176, 106766, 113729, 129976, 135884, 213532, 227458, 237797, 271768, 373681, 427064, 454916, 475594, 747362, 909832, 951188, 1494724, 1902376, 2615767, 2989448, 5231534, 10463068, 20926136]

約数ペア:

[(1, 20926136), (2, 10463068), (4, 5231534), (7, 2989448), (8, 2615767), (11, 1902376), (14, 1494724), (22, 951188), (23, 909832), (28, 747362), (44, 475594), (46, 454916), (49, 427064), (56, 373681), (77, 271768), (88, 237797), (92, 227458), (98, 213532), (154, 135884), (161, 129976), (184, 113729), (196, 106766), (211, 99176), (253, 82712), (308, 67942), (322, 64988), (392, 53383), (422, 49588), (506, 41356), (539, 38824), (616, 33971), (644, 32494), (844, 24794), (1012, 20678), (1078, 19412), (1127, 18568), (1288, 16247), (1477, 14168), (1688, 12397), (1771, 11816), (2024, 10339), (2156, 9706), (2254, 9284), (2321, 9016), (2954, 7084), (3542, 5908), (4312, 4853), (4508, 4642)]