20139651

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 16632189

約数列:

[1, 3, 7, 9, 21, 23, 27, 41, 63, 69, 113, 123, 161, 189, 207, 287, 339, 369, 483, 621, 791, 861, 943, 1017, 1107, 1449, 2373, 2583, 2599, 2829, 3051, 4347, 4633, 6601, 7119, 7749, 7797, 8487, 13899, 18193, 19803, 21357, 23391, 25461, 32431, 41697, 54579, 59409, 70173, 97293, 106559, 125091, 163737, 178227, 291879, 319677, 491211, 745913, 875637, 959031, 2237739, 2877093, 6713217, 20139651]

約数ペア:

[(1, 20139651), (3, 6713217), (7, 2877093), (9, 2237739), (21, 959031), (23, 875637), (27, 745913), (41, 491211), (63, 319677), (69, 291879), (113, 178227), (123, 163737), (161, 125091), (189, 106559), (207, 97293), (287, 70173), (339, 59409), (369, 54579), (483, 41697), (621, 32431), (791, 25461), (861, 23391), (943, 21357), (1017, 19803), (1107, 18193), (1449, 13899), (2373, 8487), (2583, 7797), (2599, 7749), (2829, 7119), (3051, 6601), (4347, 4633)]