20320874

素因数分解:

$2^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{4159}}^1$

素因数の和:4517

約数の個数: 16

約数和(自身を含む): 34944000

約数和(自身を除く): 14623126

約数列:

[1, 2, 7, 14, 349, 698, 2443, 4159, 4886, 8318, 29113, 58226, 1451491, 2902982, 10160437, 20320874]

約数ペア:

[(1, 20320874), (2, 10160437), (7, 2902982), (14, 1451491), (349, 58226), (698, 29113), (2443, 8318), (4159, 4886)]