20504113

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 24601600

約数和(自身を除く): 4097487

約数列:

[1, 7, 31, 61, 217, 427, 1549, 1891, 10843, 13237, 48019, 94489, 336133, 661423, 2929159, 20504113]

約数ペア:

[(1, 20504113), (7, 2929159), (31, 661423), (61, 336133), (217, 94489), (427, 48019), (1549, 13237), (1891, 10843)]