20179985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15583}}^1$

素因数の和:15632

約数の個数: 16

約数和(自身を含む): 28425216

約数和(自身を除く): 8245231

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15583, 77915, 109081, 545405, 576571, 2882855, 4035997, 20179985]

約数ペア:

[(1, 20179985), (5, 4035997), (7, 2882855), (35, 576571), (37, 545405), (185, 109081), (259, 77915), (1295, 15583)]