20450518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3617}}^1$

素因数の和:3887

約数の個数: 16

約数和(自身を含む): 33603984

約数和(自身を除く): 13153466

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3617, 5654, 7234, 39787, 79574, 929569, 1859138, 10225259, 20450518]

約数ペア:

[(1, 20450518), (2, 10225259), (11, 1859138), (22, 929569), (257, 79574), (514, 39787), (2827, 7234), (3617, 5654)]