20218724

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 36899520

約数和(自身を除く): 16680796

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 2039, 2479, 4078, 4958, 8156, 9916, 75443, 136613, 150886, 273226, 301772, 546452, 5054681, 10109362, 20218724]

約数ペア:

[(1, 20218724), (2, 10109362), (4, 5054681), (37, 546452), (67, 301772), (74, 273226), (134, 150886), (148, 136613), (268, 75443), (2039, 9916), (2479, 8156), (4078, 4958)]