20320832

素因数分解:

$2^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:763

約数の個数: 56

約数和(自身を含む): 46841664

約数和(自身を除く): 26520832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 134, 224, 268, 448, 469, 536, 677, 938, 1072, 1354, 1876, 2144, 2708, 3752, 4288, 4739, 5416, 7504, 9478, 10832, 15008, 18956, 21664, 30016, 37912, 43328, 45359, 75824, 90718, 151648, 181436, 303296, 317513, 362872, 635026, 725744, 1270052, 1451488, 2540104, 2902976, 5080208, 10160416, 20320832]

約数ペア:

[(1, 20320832), (2, 10160416), (4, 5080208), (7, 2902976), (8, 2540104), (14, 1451488), (16, 1270052), (28, 725744), (32, 635026), (56, 362872), (64, 317513), (67, 303296), (112, 181436), (134, 151648), (224, 90718), (268, 75824), (448, 45359), (469, 43328), (536, 37912), (677, 30016), (938, 21664), (1072, 18956), (1354, 15008), (1876, 10832), (2144, 9478), (2708, 7504), (3752, 5416), (4288, 4739)]