20197478

素因数分解:

$2^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{3931}}^1$

素因数の和:4307

約数の個数: 16

約数和(自身を含む): 34727424

約数和(自身を除く): 14529946

約数列:

[1, 2, 7, 14, 367, 734, 2569, 3931, 5138, 7862, 27517, 55034, 1442677, 2885354, 10098739, 20197478]

約数ペア:

[(1, 20197478), (2, 10098739), (7, 2885354), (14, 1442677), (367, 55034), (734, 27517), (2569, 7862), (3931, 5138)]