20161690791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{2357}}^1\times {\mathrm{259211}}^1$

素因数の和:261582

約数の個数: 16

約数和(自身を含む): 29338651008

約数和(自身を除く): 9176960217

約数列:

[1, 3, 11, 33, 2357, 7071, 25927, 77781, 259211, 777633, 2851321, 8553963, 610960327, 1832880981, 6720563597, 20161690791]

約数ペア:

[(1, 20161690791), (3, 6720563597), (11, 1832880981), (33, 610960327), (2357, 8553963), (7071, 2851321), (25927, 777633), (77781, 259211)]