20904216

素因数分解:

$2^3\times 3^1\times {\mathrm{193}}^1\times {\mathrm{4513}}^1$

素因数の和:4715

約数の個数: 32

約数和(自身を含む): 52542960

約数和(自身を除く): 31638744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 193, 386, 579, 772, 1158, 1544, 2316, 4513, 4632, 9026, 13539, 18052, 27078, 36104, 54156, 108312, 871009, 1742018, 2613027, 3484036, 5226054, 6968072, 10452108, 20904216]

約数ペア:

[(1, 20904216), (2, 10452108), (3, 6968072), (4, 5226054), (6, 3484036), (8, 2613027), (12, 1742018), (24, 871009), (193, 108312), (386, 54156), (579, 36104), (772, 27078), (1158, 18052), (1544, 13539), (2316, 9026), (4513, 4632)]