20197065

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27479}}^1$

素因数の和:27501

約数の個数: 24

約数和(自身を含む): 37592640

約数和(自身を除く): 17395575

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27479, 82437, 137395, 192353, 412185, 577059, 961765, 1346471, 2885295, 4039413, 6732355, 20197065]

約数ペア:

[(1, 20197065), (3, 6732355), (5, 4039413), (7, 2885295), (15, 1346471), (21, 961765), (35, 577059), (49, 412185), (105, 192353), (147, 137395), (245, 82437), (735, 27479)]