20109292

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9091}}^1$

素因数の和:9181

約数の個数: 24

約数和(自身を含む): 40732160

約数和(自身を除く): 20622868

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9091, 18182, 36364, 63637, 127274, 254548, 718189, 1436378, 2872756, 5027323, 10054646, 20109292]

約数ペア:

[(1, 20109292), (2, 10054646), (4, 5027323), (7, 2872756), (14, 1436378), (28, 718189), (79, 254548), (158, 127274), (316, 63637), (553, 36364), (1106, 18182), (2212, 9091)]