16920208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{25793}}^1$

素因数の和:25842

約数の個数: 20

約数和(自身を含む): 33583788

約数和(自身を除く): 16663580

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 25793, 51586, 103172, 206344, 412688, 1057513, 2115026, 4230052, 8460104, 16920208]

約数ペア:

[(1, 16920208), (2, 8460104), (4, 4230052), (8, 2115026), (16, 1057513), (41, 412688), (82, 206344), (164, 103172), (328, 51586), (656, 25793)]