20958070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{299401}}^1$

素因数の和:299415

約数の個数: 16

約数和(自身を含む): 43113888

約数和(自身を除く): 22155818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 299401, 598802, 1497005, 2095807, 2994010, 4191614, 10479035, 20958070]

約数ペア:

[(1, 20958070), (2, 10479035), (5, 4191614), (7, 2994010), (10, 2095807), (14, 1497005), (35, 598802), (70, 299401)]