20442994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71479}}^1$

素因数の和:71505

約数の個数: 16

約数和(自身を含む): 36025920

約数和(自身を除く): 15582926

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71479, 142958, 786269, 929227, 1572538, 1858454, 10221497, 20442994]

約数ペア:

[(1, 20442994), (2, 10221497), (11, 1858454), (13, 1572538), (22, 929227), (26, 786269), (143, 142958), (286, 71479)]