20336855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 30786048

約数和(自身を除く): 10449193

約数列:

[1, 5, 7, 11, 35, 55, 77, 101, 385, 505, 523, 707, 1111, 2615, 3535, 3661, 5555, 5753, 7777, 18305, 28765, 38885, 40271, 52823, 201355, 264115, 369761, 581053, 1848805, 2905265, 4067371, 20336855]

約数ペア:

[(1, 20336855), (5, 4067371), (7, 2905265), (11, 1848805), (35, 581053), (55, 369761), (77, 264115), (101, 201355), (385, 52823), (505, 40271), (523, 38885), (707, 28765), (1111, 18305), (2615, 7777), (3535, 5753), (3661, 5555)]