20911620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348527}}^1$

素因数の和:348539

約数の個数: 24

約数和(自身を含む): 58552704

約数和(自身を除く): 37641084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348527, 697054, 1045581, 1394108, 1742635, 2091162, 3485270, 4182324, 5227905, 6970540, 10455810, 20911620]

約数ペア:

[(1, 20911620), (2, 10455810), (3, 6970540), (4, 5227905), (5, 4182324), (6, 3485270), (10, 2091162), (12, 1742635), (15, 1394108), (20, 1045581), (30, 697054), (60, 348527)]