20699973

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5569}}^1$

素因数の和:5641

約数の個数: 24

約数和(自身を含む): 34756800

約数和(自身を除く): 14056827

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5569, 16707, 38983, 50121, 116949, 328571, 350847, 985713, 2299997, 2957139, 6899991, 20699973]

約数ペア:

[(1, 20699973), (3, 6899991), (7, 2957139), (9, 2299997), (21, 985713), (59, 350847), (63, 328571), (177, 116949), (413, 50121), (531, 38983), (1239, 16707), (3717, 5569)]