20078065

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4517}}^1$

素因数の和:4656

約数の個数: 16

約数和(自身を含む): 27758592

約数和(自身を除く): 7680527

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 4517, 22585, 31619, 158095, 573659, 2868295, 4015613, 20078065]

約数ペア:

[(1, 20078065), (5, 4015613), (7, 2868295), (35, 573659), (127, 158095), (635, 31619), (889, 22585), (4445, 4517)]