20894768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76819}}^1$

素因数の和:76844

約数の個数: 20

約数和(自身を含む): 42865560

約数和(自身を除く): 21970792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76819, 153638, 307276, 614552, 1229104, 1305923, 2611846, 5223692, 10447384, 20894768]

約数ペア:

[(1, 20894768), (2, 10447384), (4, 5223692), (8, 2611846), (16, 1305923), (17, 1229104), (34, 614552), (68, 307276), (136, 153638), (272, 76819)]