20393168

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2789}}^1$

素因数の和:3254

約数の個数: 20

約数和(自身を含む): 39612420

約数和(自身を除く): 19219252

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2789, 3656, 5578, 7312, 11156, 22312, 44624, 1274573, 2549146, 5098292, 10196584, 20393168]

約数ペア:

[(1, 20393168), (2, 10196584), (4, 5098292), (8, 2549146), (16, 1274573), (457, 44624), (914, 22312), (1828, 11156), (2789, 7312), (3656, 5578)]