20582815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 8157281

約数列:

[1, 5, 11, 23, 53, 55, 115, 253, 265, 307, 583, 1219, 1265, 1535, 2915, 3377, 6095, 7061, 13409, 16271, 16885, 35305, 67045, 77671, 81355, 178981, 374233, 388355, 894905, 1871165, 4116563, 20582815]

約数ペア:

[(1, 20582815), (5, 4116563), (11, 1871165), (23, 894905), (53, 388355), (55, 374233), (115, 178981), (253, 81355), (265, 77671), (307, 67045), (583, 35305), (1219, 16885), (1265, 16271), (1535, 13409), (2915, 7061), (3377, 6095)]