20675648

素因数分解:

$2^6\times 7^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 84

約数和(自身を含む): 50383440

約数和(自身を除く): 29707792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 133, 152, 196, 224, 266, 304, 347, 392, 448, 532, 608, 694, 784, 931, 1064, 1216, 1388, 1568, 1862, 2128, 2429, 2776, 3136, 3724, 4256, 4858, 5552, 6593, 7448, 8512, 9716, 11104, 13186, 14896, 17003, 19432, 22208, 26372, 29792, 34006, 38864, 46151, 52744, 59584, 68012, 77728, 92302, 105488, 136024, 155456, 184604, 210976, 272048, 323057, 369208, 421952, 544096, 646114, 738416, 1088192, 1292228, 1476832, 2584456, 2953664, 5168912, 10337824, 20675648]

約数ペア:

[(1, 20675648), (2, 10337824), (4, 5168912), (7, 2953664), (8, 2584456), (14, 1476832), (16, 1292228), (19, 1088192), (28, 738416), (32, 646114), (38, 544096), (49, 421952), (56, 369208), (64, 323057), (76, 272048), (98, 210976), (112, 184604), (133, 155456), (152, 136024), (196, 105488), (224, 92302), (266, 77728), (304, 68012), (347, 59584), (392, 52744), (448, 46151), (532, 38864), (608, 34006), (694, 29792), (784, 26372), (931, 22208), (1064, 19432), (1216, 17003), (1388, 14896), (1568, 13186), (1862, 11104), (2128, 9716), (2429, 8512), (2776, 7448), (3136, 6593), (3724, 5552), (4256, 4858)]