20982201

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{953}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 28848960

約数和(自身を除く): 7866759

約数列:

[1, 3, 41, 123, 179, 537, 953, 2859, 7339, 22017, 39073, 117219, 170587, 511761, 6994067, 20982201]

約数ペア:

[(1, 20982201), (3, 6994067), (41, 511761), (123, 170587), (179, 117219), (537, 39073), (953, 22017), (2859, 7339)]