20514471

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{733}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 28890240

約数和(自身を除く): 8375769

約数列:

[1, 3, 19, 57, 491, 733, 1473, 2199, 9329, 13927, 27987, 41781, 359903, 1079709, 6838157, 20514471]

約数ペア:

[(1, 20514471), (3, 6838157), (19, 1079709), (57, 359903), (491, 41781), (733, 27987), (1473, 13927), (2199, 9329)]