20338528

素因数分解:

$2^5\times 7^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 49896000

約数和(自身を除く): 29557472

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 109, 112, 119, 136, 196, 218, 224, 238, 272, 343, 392, 436, 476, 544, 686, 763, 784, 833, 872, 952, 1372, 1526, 1568, 1666, 1744, 1853, 1904, 2744, 3052, 3332, 3488, 3706, 3808, 5341, 5488, 5831, 6104, 6664, 7412, 10682, 10976, 11662, 12208, 12971, 13328, 14824, 21364, 23324, 24416, 25942, 26656, 29648, 37387, 42728, 46648, 51884, 59296, 74774, 85456, 90797, 93296, 103768, 149548, 170912, 181594, 186592, 207536, 299096, 363188, 415072, 598192, 635579, 726376, 1196384, 1271158, 1452752, 2542316, 2905504, 5084632, 10169264, 20338528]

約数ペア:

[(1, 20338528), (2, 10169264), (4, 5084632), (7, 2905504), (8, 2542316), (14, 1452752), (16, 1271158), (17, 1196384), (28, 726376), (32, 635579), (34, 598192), (49, 415072), (56, 363188), (68, 299096), (98, 207536), (109, 186592), (112, 181594), (119, 170912), (136, 149548), (196, 103768), (218, 93296), (224, 90797), (238, 85456), (272, 74774), (343, 59296), (392, 51884), (436, 46648), (476, 42728), (544, 37387), (686, 29648), (763, 26656), (784, 25942), (833, 24416), (872, 23324), (952, 21364), (1372, 14824), (1526, 13328), (1568, 12971), (1666, 12208), (1744, 11662), (1853, 10976), (1904, 10682), (2744, 7412), (3052, 6664), (3332, 6104), (3488, 5831), (3706, 5488), (3808, 5341)]