20682423

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 31231200

約数和(自身を除く): 10548777

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 727, 981, 2181, 3161, 6543, 9483, 21083, 28449, 63249, 79243, 189747, 237729, 713187, 2298047, 6894141, 20682423]

約数ペア:

[(1, 20682423), (3, 6894141), (9, 2298047), (29, 713187), (87, 237729), (109, 189747), (261, 79243), (327, 63249), (727, 28449), (981, 21083), (2181, 9483), (3161, 6543)]