20035880487

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{172001}}^1$

素因数の和:172100

約数の個数: 36

約数和(自身を含む): 33862377744

約数和(自身を除く): 13826497257

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 1849, 2709, 5547, 12943, 16641, 38829, 116487, 172001, 516003, 1204007, 1548009, 3612021, 7396043, 10836063, 22188129, 51772301, 66564387, 155316903, 318029849, 465950709, 954089547, 2226208943, 2862268641, 6678626829, 20035880487]

約数ペア:

[(1, 20035880487), (3, 6678626829), (7, 2862268641), (9, 2226208943), (21, 954089547), (43, 465950709), (63, 318029849), (129, 155316903), (301, 66564387), (387, 51772301), (903, 22188129), (1849, 10836063), (2709, 7396043), (5547, 3612021), (12943, 1548009), (16641, 1204007), (38829, 516003), (116487, 172001)]