20462960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36541}}^1$

素因数の和:36561

約数の個数: 40

約数和(自身を含む): 54374496

約数和(自身を除く): 33911536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36541, 73082, 146164, 182705, 255787, 292328, 365410, 511574, 584656, 730820, 1023148, 1278935, 1461640, 2046296, 2557870, 2923280, 4092592, 5115740, 10231480, 20462960]

約数ペア:

[(1, 20462960), (2, 10231480), (4, 5115740), (5, 4092592), (7, 2923280), (8, 2557870), (10, 2046296), (14, 1461640), (16, 1278935), (20, 1023148), (28, 730820), (35, 584656), (40, 511574), (56, 365410), (70, 292328), (80, 255787), (112, 182705), (140, 146164), (280, 73082), (560, 36541)]