20968328

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25447}}^1$

素因数の和:25556

約数の個数: 16

約数和(自身を含む): 39698880

約数和(自身を除く): 18730552

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25447, 50894, 101788, 203576, 2621041, 5242082, 10484164, 20968328]

約数ペア:

[(1, 20968328), (2, 10484164), (4, 5242082), (8, 2621041), (103, 203576), (206, 101788), (412, 50894), (824, 25447)]