20155922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4049}}^1$

素因数の和:4201

約数の個数: 16

約数和(自身を含む): 32076000

約数和(自身を除く): 11920078

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4049, 4978, 8098, 76931, 153862, 530419, 1060838, 10077961, 20155922]

約数ペア:

[(1, 20155922), (2, 10077961), (19, 1060838), (38, 530419), (131, 153862), (262, 76931), (2489, 8098), (4049, 4978)]