20997314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1823}}^1$

素因数の和:2281

約数の個数: 16

約数和(自身を含む): 34013952

約数和(自身を除く): 13016638

約数列:

[1, 2, 13, 26, 443, 886, 1823, 3646, 5759, 11518, 23699, 47398, 807589, 1615178, 10498657, 20997314]

約数ペア:

[(1, 20997314), (2, 10498657), (13, 1615178), (26, 807589), (443, 47398), (886, 23699), (1823, 11518), (3646, 5759)]