20187156921

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1\times {\mathrm{77017}}^1$

素因数の和:79192

約数の個数: 16

約数和(自身を含む): 27585999168

約数和(自身を除く): 7398842247

約数列:

[1, 3, 41, 123, 2131, 6393, 77017, 87371, 231051, 262113, 3157697, 9473091, 164123227, 492369681, 6729052307, 20187156921]

約数ペア:

[(1, 20187156921), (3, 6729052307), (41, 492369681), (123, 164123227), (2131, 9473091), (6393, 3157697), (77017, 262113), (87371, 231051)]