20864072

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{13513}}^1$

素因数の和:13712

約数の個数: 16

約数和(自身を含む): 39325740

約数和(自身を除く): 18461668

約数列:

[1, 2, 4, 8, 193, 386, 772, 1544, 13513, 27026, 54052, 108104, 2608009, 5216018, 10432036, 20864072]

約数ペア:

[(1, 20864072), (2, 10432036), (4, 5216018), (8, 2608009), (193, 108104), (386, 54052), (772, 27026), (1544, 13513)]