20337009

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12577}}^1$

素因数の和:12605

約数の個数: 24

約数和(自身を含む): 34413408

約数和(自身を除く): 14076399

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12577, 37731, 88039, 138347, 264117, 415041, 616273, 968429, 1848819, 2905287, 6779003, 20337009]

約数ペア:

[(1, 20337009), (3, 6779003), (7, 2905287), (11, 1848819), (21, 968429), (33, 616273), (49, 415041), (77, 264117), (147, 138347), (231, 88039), (539, 37731), (1617, 12577)]