20662713

素因数分解:

$3^2\times {\mathrm{61}}^2\times {\mathrm{617}}^1$

素因数の和:745

約数の個数: 18

約数和(自身を含む): 30392622

約数和(自身を除く): 9729909

約数列:

[1, 3, 9, 61, 183, 549, 617, 1851, 3721, 5553, 11163, 33489, 37637, 112911, 338733, 2295857, 6887571, 20662713]

約数ペア:

[(1, 20662713), (3, 6887571), (9, 2295857), (61, 338733), (183, 112911), (549, 37637), (617, 33489), (1851, 11163), (3721, 5553)]