20967065

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 8892775

約数列:

[1, 5, 7, 35, 53, 89, 127, 265, 371, 445, 623, 635, 889, 1855, 3115, 4445, 4717, 6731, 11303, 23585, 33019, 33655, 47117, 56515, 79121, 165095, 235585, 395605, 599059, 2995295, 4193413, 20967065]

約数ペア:

[(1, 20967065), (5, 4193413), (7, 2995295), (35, 599059), (53, 395605), (89, 235585), (127, 165095), (265, 79121), (371, 56515), (445, 47117), (623, 33655), (635, 33019), (889, 23585), (1855, 11303), (3115, 6731), (4445, 4717)]