20028393

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28901}}^1$

素因数の和:28925

約数の個数: 24

約数和(自身を含む): 36069696

約数和(自身を除く): 16041303

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28901, 86703, 202307, 260109, 317911, 606921, 953733, 1820763, 2225377, 2861199, 6676131, 20028393]

約数ペア:

[(1, 20028393), (3, 6676131), (7, 2861199), (9, 2225377), (11, 1820763), (21, 953733), (33, 606921), (63, 317911), (77, 260109), (99, 202307), (231, 86703), (693, 28901)]