20164381874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{263167}}^1$

素因数の和:263610

約数の個数: 32

約数和(自身を含む): 37315117056

約数和(自身を除く): 17150735182

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 421, 842, 2947, 5473, 5894, 10946, 38311, 76622, 263167, 526334, 1842169, 3421171, 3684338, 6842342, 23948197, 47896394, 110793307, 221586614, 775553149, 1440312991, 1551106298, 2880625982, 10082190937, 20164381874]

約数ペア:

[(1, 20164381874), (2, 10082190937), (7, 2880625982), (13, 1551106298), (14, 1440312991), (26, 775553149), (91, 221586614), (182, 110793307), (421, 47896394), (842, 23948197), (2947, 6842342), (5473, 3684338), (5894, 3421171), (10946, 1842169), (38311, 526334), (76622, 263167)]