20906434

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:777

約数の個数: 16

約数和(自身を含む): 31852800

約数和(自身を除く): 10946366

約数列:

[1, 2, 139, 157, 278, 314, 479, 958, 21823, 43646, 66581, 75203, 133162, 150406, 10453217, 20906434]

約数ペア:

[(1, 20906434), (2, 10453217), (139, 150406), (157, 133162), (278, 75203), (314, 66581), (479, 43646), (958, 21823)]