20680867081

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{909889}}^1$

素因数の和:910104

約数の個数: 16

約数和(自身を含む): 25156638720

約数和(自身を除く): 4475771639

約数列:

[1, 7, 17, 119, 191, 1337, 3247, 22729, 909889, 6369223, 15468113, 108276791, 173788799, 1216521593, 2954409583, 20680867081]

約数ペア:

[(1, 20680867081), (7, 2954409583), (17, 1216521593), (119, 173788799), (191, 108276791), (1337, 15468113), (3247, 6369223), (22729, 909889)]