20815216

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4597}}^1$

素因数の和:4888

約数の個数: 20

約数和(自身を含む): 40480792

約数和(自身を除く): 19665576

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4528, 4597, 9194, 18388, 36776, 73552, 1300951, 2601902, 5203804, 10407608, 20815216]

約数ペア:

[(1, 20815216), (2, 10407608), (4, 5203804), (8, 2601902), (16, 1300951), (283, 73552), (566, 36776), (1132, 18388), (2264, 9194), (4528, 4597)]