20039912

素因数分解:

$2^3\times {\mathrm{1553}}^1\times {\mathrm{1613}}^1$

素因数の和:3172

約数の個数: 16

約数和(自身を含む): 37622340

約数和(自身を除く): 17582428

約数列:

[1, 2, 4, 8, 1553, 1613, 3106, 3226, 6212, 6452, 12424, 12904, 2504989, 5009978, 10019956, 20039912]

約数ペア:

[(1, 20039912), (2, 10019956), (4, 5009978), (8, 2504989), (1553, 12904), (1613, 12424), (3106, 6452), (3226, 6212)]