20842137

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 32783360

約数和(自身を除く): 11941223

約数列:

[1, 3, 9, 27, 31, 37, 93, 111, 279, 333, 673, 837, 999, 1147, 2019, 3441, 6057, 10323, 18171, 20863, 24901, 30969, 62589, 74703, 187767, 224109, 563301, 672327, 771931, 2315793, 6947379, 20842137]

約数ペア:

[(1, 20842137), (3, 6947379), (9, 2315793), (27, 771931), (31, 672327), (37, 563301), (93, 224109), (111, 187767), (279, 74703), (333, 62589), (673, 30969), (837, 24901), (999, 20863), (1147, 18171), (2019, 10323), (3441, 6057)]