20037818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3539}}^1$

素因数の和:3709

約数の個数: 16

約数和(自身を含む): 31860000

約数和(自身を除く): 11822182

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3539, 5662, 7078, 67241, 134482, 527311, 1054622, 10018909, 20037818]

約数ペア:

[(1, 20037818), (2, 10018909), (19, 1054622), (38, 527311), (149, 134482), (298, 67241), (2831, 7078), (3539, 5662)]