20178779038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4861}}^1\times {\mathrm{9931}}^1$

素因数の和:14824

約数の個数: 32

約数和(自身を含む): 34768356480

約数和(自身を除く): 14589577442

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 4861, 9722, 9931, 19862, 53471, 92359, 106942, 109241, 184718, 188689, 218482, 377378, 1015949, 2031898, 2075579, 4151158, 48274591, 96549182, 531020501, 917217229, 1062041002, 1834434458, 10089389519, 20178779038]

約数ペア:

[(1, 20178779038), (2, 10089389519), (11, 1834434458), (19, 1062041002), (22, 917217229), (38, 531020501), (209, 96549182), (418, 48274591), (4861, 4151158), (9722, 2075579), (9931, 2031898), (19862, 1015949), (53471, 377378), (92359, 218482), (106942, 188689), (109241, 184718)]