20118194

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2477}}^1$

素因数の和:2641

約数の個数: 16

約数和(自身を含む): 31401216

約数和(自身を除く): 11283022

約数列:

[1, 2, 31, 62, 131, 262, 2477, 4061, 4954, 8122, 76787, 153574, 324487, 648974, 10059097, 20118194]

約数ペア:

[(1, 20118194), (2, 10059097), (31, 648974), (62, 324487), (131, 153574), (262, 76787), (2477, 8122), (4061, 4954)]