20695499998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{9811}}^1\times {\mathrm{55511}}^1$

素因数の和:65343

約数の個数: 16

約数和(自身を含む): 32681024640

約数和(自身を除く): 11985524642

約数列:

[1, 2, 19, 38, 9811, 19622, 55511, 111022, 186409, 372818, 1054709, 2109418, 544618421, 1089236842, 10347749999, 20695499998]

約数ペア:

[(1, 20695499998), (2, 10347749999), (19, 1089236842), (38, 544618421), (9811, 2109418), (19622, 1054709), (55511, 372818), (111022, 186409)]