20494383

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1831}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 34470912

約数和(自身を除く): 13976529

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1831, 3731, 5493, 11193, 12817, 23803, 38451, 71409, 75071, 166621, 225213, 499863, 525497, 975923, 1576491, 2927769, 6831461, 20494383]

約数ペア:

[(1, 20494383), (3, 6831461), (7, 2927769), (13, 1576491), (21, 975923), (39, 525497), (41, 499863), (91, 225213), (123, 166621), (273, 75071), (287, 71409), (533, 38451), (861, 23803), (1599, 12817), (1831, 11193), (3731, 5493)]