20868309

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30113}}^1$

素因数の和:30137

約数の個数: 24

約数和(自身を含む): 37582272

約数和(自身を除く): 16713963

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30113, 90339, 210791, 271017, 331243, 632373, 993729, 1897119, 2318701, 2981187, 6956103, 20868309]

約数ペア:

[(1, 20868309), (3, 6956103), (7, 2981187), (9, 2318701), (11, 1897119), (21, 993729), (33, 632373), (63, 331243), (77, 271017), (99, 210791), (231, 90339), (693, 30113)]