20320370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2713}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 42208128

約数和(自身を除く): 21887758

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2713, 3745, 5426, 7490, 13565, 18991, 27130, 37982, 94955, 189910, 290291, 580582, 1451455, 2032037, 2902910, 4064074, 10160185, 20320370]

約数ペア:

[(1, 20320370), (2, 10160185), (5, 4064074), (7, 2902910), (10, 2032037), (14, 1451455), (35, 580582), (70, 290291), (107, 189910), (214, 94955), (535, 37982), (749, 27130), (1070, 18991), (1498, 13565), (2713, 7490), (3745, 5426)]