20668624

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5641}}^1$

素因数の和:5878

約数の個数: 20

約数和(自身を含む): 40227460

約数和(自身を除く): 19558836

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5641, 11282, 22564, 45128, 90256, 1291789, 2583578, 5167156, 10334312, 20668624]

約数ペア:

[(1, 20668624), (2, 10334312), (4, 5167156), (8, 2583578), (16, 1291789), (229, 90256), (458, 45128), (916, 22564), (1832, 11282), (3664, 5641)]