20657109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2039}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 9502251

約数列:

[1, 3, 11, 33, 307, 921, 2039, 3377, 6117, 10131, 22429, 67287, 625973, 1877919, 6885703, 20657109]

約数ペア:

[(1, 20657109), (3, 6885703), (11, 1877919), (33, 625973), (307, 67287), (921, 22429), (2039, 10131), (3377, 6117)]