20403801

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4793}}^1$

素因数の和:4853

約数の個数: 24

約数和(自身を含む): 32906016

約数和(自身を除く): 12502215

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4793, 14379, 43137, 52723, 158169, 206099, 474507, 618297, 1854891, 2267089, 6801267, 20403801]

約数ペア:

[(1, 20403801), (3, 6801267), (9, 2267089), (11, 1854891), (33, 618297), (43, 474507), (99, 206099), (129, 158169), (387, 52723), (473, 43137), (1419, 14379), (4257, 4793)]