20780006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6101}}^1$

素因数の和:6247

約数の個数: 16

約数和(自身を含む): 33829488

約数和(自身を除く): 13049482

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 6101, 12202, 79313, 158626, 799231, 1598462, 10390003, 20780006]

約数ペア:

[(1, 20780006), (2, 10390003), (13, 1598462), (26, 799231), (131, 158626), (262, 79313), (1703, 12202), (3406, 6101)]