20580786

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{6317}}^1$

素因数の和:6506

約数の個数: 24

約数和(自身を含む): 44845164

約数和(自身を除く): 24264378

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 543, 1086, 1629, 3258, 6317, 12634, 18951, 37902, 56853, 113706, 1143377, 2286754, 3430131, 6860262, 10290393, 20580786]

約数ペア:

[(1, 20580786), (2, 10290393), (3, 6860262), (6, 3430131), (9, 2286754), (18, 1143377), (181, 113706), (362, 56853), (543, 37902), (1086, 18951), (1629, 12634), (3258, 6317)]