20951754515

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{767323}}^1$

素因数の和:767498

約数の個数: 16

約数和(自身を含む): 25929412608

約数和(自身を除く): 4977658093

約数列:

[1, 5, 43, 127, 215, 635, 5461, 27305, 767323, 3836615, 32994889, 97450021, 164974445, 487250105, 4190350903, 20951754515]

約数ペア:

[(1, 20951754515), (5, 4190350903), (43, 487250105), (127, 164974445), (215, 97450021), (635, 32994889), (5461, 3836615), (27305, 767323)]