20228768

素因数分解:

$2^5\times 7^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 49392000

約数和(自身を除く): 29163232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 97, 98, 112, 133, 152, 194, 196, 224, 266, 304, 343, 388, 392, 532, 608, 679, 686, 776, 784, 931, 1064, 1358, 1372, 1552, 1568, 1843, 1862, 2128, 2716, 2744, 3104, 3686, 3724, 4256, 4753, 5432, 5488, 6517, 7372, 7448, 9506, 10864, 10976, 12901, 13034, 14744, 14896, 19012, 21728, 25802, 26068, 29488, 29792, 33271, 38024, 51604, 52136, 58976, 66542, 76048, 90307, 103208, 104272, 133084, 152096, 180614, 206416, 208544, 266168, 361228, 412832, 532336, 632149, 722456, 1064672, 1264298, 1444912, 2528596, 2889824, 5057192, 10114384, 20228768]

約数ペア:

[(1, 20228768), (2, 10114384), (4, 5057192), (7, 2889824), (8, 2528596), (14, 1444912), (16, 1264298), (19, 1064672), (28, 722456), (32, 632149), (38, 532336), (49, 412832), (56, 361228), (76, 266168), (97, 208544), (98, 206416), (112, 180614), (133, 152096), (152, 133084), (194, 104272), (196, 103208), (224, 90307), (266, 76048), (304, 66542), (343, 58976), (388, 52136), (392, 51604), (532, 38024), (608, 33271), (679, 29792), (686, 29488), (776, 26068), (784, 25802), (931, 21728), (1064, 19012), (1358, 14896), (1372, 14744), (1552, 13034), (1568, 12901), (1843, 10976), (1862, 10864), (2128, 9506), (2716, 7448), (2744, 7372), (3104, 6517), (3686, 5488), (3724, 5432), (4256, 4753)]