20187004

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{71081}}^1$

素因数の和:71156

約数の個数: 12

約数和(自身を含む): 35825328

約数和(自身を除く): 15638324

約数列:

[1, 2, 4, 71, 142, 284, 71081, 142162, 284324, 5046751, 10093502, 20187004]

約数ペア:

[(1, 20187004), (2, 10093502), (4, 5046751), (71, 284324), (142, 142162), (284, 71081)]