20979993

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 7627047

約数列:

[1, 3, 83, 109, 249, 327, 773, 2319, 9047, 27141, 64159, 84257, 192477, 252771, 6993331, 20979993]

約数ペア:

[(1, 20979993), (3, 6993331), (83, 252771), (109, 192477), (249, 84257), (327, 64159), (773, 27141), (2319, 9047)]