20139367255

素因数分解:

$5^1\times 7^2\times {\mathrm{1223}}^1\times {\mathrm{67213}}^1$

素因数の和:68455

約数の個数: 24

約数和(自身を含む): 28136318112

約数和(自身を除く): 7996950857

約数列:

[1, 5, 7, 35, 49, 245, 1223, 6115, 8561, 42805, 59927, 67213, 299635, 336065, 470491, 2352455, 3293437, 16467185, 82201499, 411007495, 575410493, 2877052465, 4027873451, 20139367255]

約数ペア:

[(1, 20139367255), (5, 4027873451), (7, 2877052465), (35, 575410493), (49, 411007495), (245, 82201499), (1223, 16467185), (6115, 3293437), (8561, 2352455), (42805, 470491), (59927, 336065), (67213, 299635)]