20238309

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8237}}^1$

素因数の和:8266

約数の個数: 32

約数和(自身を含む): 36906240

約数和(自身を除く): 16667931

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8237, 24711, 57659, 74133, 107081, 172977, 222399, 321243, 518931, 749567, 963729, 1556793, 2248701, 2891187, 6746103, 20238309]

約数ペア:

[(1, 20238309), (3, 6746103), (7, 2891187), (9, 2248701), (13, 1556793), (21, 963729), (27, 749567), (39, 518931), (63, 321243), (91, 222399), (117, 172977), (189, 107081), (273, 74133), (351, 57659), (819, 24711), (2457, 8237)]