20320377

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{727}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 34105344

約数和(自身を除く): 13784967

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 727, 847, 1331, 2181, 2541, 3993, 5089, 7997, 9317, 15267, 23991, 27951, 55979, 87967, 167937, 263901, 615769, 967637, 1847307, 2902911, 6773459, 20320377]

約数ペア:

[(1, 20320377), (3, 6773459), (7, 2902911), (11, 1847307), (21, 967637), (33, 615769), (77, 263901), (121, 167937), (231, 87967), (363, 55979), (727, 27951), (847, 23991), (1331, 15267), (2181, 9317), (2541, 7997), (3993, 5089)]