20479982

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{3203}}^1$

素因数の和:3367

約数の個数: 16

約数和(自身を含む): 32296320

約数和(自身を除く): 11816338

約数列:

[1, 2, 23, 46, 139, 278, 3197, 3203, 6394, 6406, 73669, 147338, 445217, 890434, 10239991, 20479982]

約数ペア:

[(1, 20479982), (2, 10239991), (23, 890434), (46, 445217), (139, 147338), (278, 73669), (3197, 6406), (3203, 6394)]