20557572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244733}}^1$

素因数の和:244747

約数の個数: 24

約数和(自身を含む): 54820416

約数和(自身を除く): 34262844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244733, 489466, 734199, 978932, 1468398, 1713131, 2936796, 3426262, 5139393, 6852524, 10278786, 20557572]

約数ペア:

[(1, 20557572), (2, 10278786), (3, 6852524), (4, 5139393), (6, 3426262), (7, 2936796), (12, 1713131), (14, 1468398), (21, 978932), (28, 734199), (42, 489466), (84, 244733)]