20297817

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1697}}^1$

素因数の和:2149

約数の個数: 16

約数和(自身を含む): 30156480

約数和(自身を除く): 9858663

約数列:

[1, 3, 9, 27, 443, 1329, 1697, 3987, 5091, 11961, 15273, 45819, 751771, 2255313, 6765939, 20297817]

約数ペア:

[(1, 20297817), (3, 6765939), (9, 2255313), (27, 751771), (443, 45819), (1329, 15273), (1697, 11961), (3987, 5091)]