20178804862

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{3041}}^1\times {\mathrm{23869}}^1$

素因数の和:27051

約数の個数: 16

約数和(自身を含む): 30497266800

約数和(自身を除く): 10318461938

約数列:

[1, 2, 139, 278, 3041, 6082, 23869, 47738, 422699, 845398, 3317791, 6635582, 72585629, 145171258, 10089402431, 20178804862]

約数ペア:

[(1, 20178804862), (2, 10089402431), (139, 145171258), (278, 72585629), (3041, 6635582), (6082, 3317791), (23869, 845398), (47738, 422699)]