20815676924

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4451599}}^1$

素因数の和:4451777

約数の個数: 24

約数和(自身を含む): 41880652800

約数和(自身を除く): 21064975876

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4676, 4451599, 8903198, 17806396, 31161193, 62322386, 124644772, 743417033, 1486834066, 2973668132, 5203919231, 10407838462, 20815676924]

約数ペア:

[(1, 20815676924), (2, 10407838462), (4, 5203919231), (7, 2973668132), (14, 1486834066), (28, 743417033), (167, 124644772), (334, 62322386), (668, 31161193), (1169, 17806396), (2338, 8903198), (4676, 4451599)]