20503168

素因数分解:

$2^7\times 7^3\times {\mathrm{467}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 47736000

約数和(自身を除く): 27232832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 467, 686, 784, 896, 934, 1372, 1568, 1868, 2744, 3136, 3269, 3736, 5488, 6272, 6538, 7472, 10976, 13076, 14944, 21952, 22883, 26152, 29888, 43904, 45766, 52304, 59776, 91532, 104608, 160181, 183064, 209216, 320362, 366128, 418432, 640724, 732256, 1281448, 1464512, 2562896, 2929024, 5125792, 10251584, 20503168]

約数ペア:

[(1, 20503168), (2, 10251584), (4, 5125792), (7, 2929024), (8, 2562896), (14, 1464512), (16, 1281448), (28, 732256), (32, 640724), (49, 418432), (56, 366128), (64, 320362), (98, 209216), (112, 183064), (128, 160181), (196, 104608), (224, 91532), (343, 59776), (392, 52304), (448, 45766), (467, 43904), (686, 29888), (784, 26152), (896, 22883), (934, 21952), (1372, 14944), (1568, 13076), (1868, 10976), (2744, 7472), (3136, 6538), (3269, 6272), (3736, 5488)]