20493207

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14143}}^1$

素因数の和:14179

約数の個数: 24

約数和(自身を含む): 35303424

約数和(自身を除く): 14810217

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14143, 42429, 99001, 127287, 297003, 325289, 891009, 975867, 2277023, 2927601, 6831069, 20493207]

約数ペア:

[(1, 20493207), (3, 6831069), (7, 2927601), (9, 2277023), (21, 975867), (23, 891009), (63, 325289), (69, 297003), (161, 127287), (207, 99001), (483, 42429), (1449, 14143)]