20688303

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1741}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 29349216

約数和(自身を除く): 8660913

約数列:

[1, 3, 17, 51, 233, 699, 1741, 3961, 5223, 11883, 29597, 88791, 405653, 1216959, 6896101, 20688303]

約数ペア:

[(1, 20688303), (3, 6896101), (17, 1216959), (51, 405653), (233, 88791), (699, 29597), (1741, 11883), (3961, 5223)]