20882043

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2833}}^1$

素因数の和:2865

約数の個数: 40

約数和(自身を含む): 38406368

約数和(自身を除く): 17524325

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2833, 7371, 8499, 19831, 25497, 36829, 59493, 76491, 110487, 178479, 229473, 257803, 331461, 535437, 773409, 994383, 1606311, 2320227, 2983149, 6960681, 20882043]

約数ペア:

[(1, 20882043), (3, 6960681), (7, 2983149), (9, 2320227), (13, 1606311), (21, 994383), (27, 773409), (39, 535437), (63, 331461), (81, 257803), (91, 229473), (117, 178479), (189, 110487), (273, 76491), (351, 59493), (567, 36829), (819, 25497), (1053, 19831), (2457, 8499), (2833, 7371)]