20679184

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2389}}^1$

素因数の和:2938

約数の個数: 20

約数和(自身を含む): 40156780

約数和(自身を除く): 19477596

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2389, 4328, 4778, 8656, 9556, 19112, 38224, 1292449, 2584898, 5169796, 10339592, 20679184]

約数ペア:

[(1, 20679184), (2, 10339592), (4, 5169796), (8, 2584898), (16, 1292449), (541, 38224), (1082, 19112), (2164, 9556), (2389, 8656), (4328, 4778)]