20191378

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{4027}}^1$

素因数の和:4161

約数の個数: 16

約数和(自身を含む): 31901760

約数和(自身を除く): 11710382

約数列:

[1, 2, 23, 46, 109, 218, 2507, 4027, 5014, 8054, 92621, 185242, 438943, 877886, 10095689, 20191378]

約数ペア:

[(1, 20191378), (2, 10095689), (23, 877886), (46, 438943), (109, 185242), (218, 92621), (2507, 8054), (4027, 5014)]