20976543

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2764

約数の個数: 32

約数和(自身を含む): 36395520

約数和(自身を除く): 15418977

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 2707, 7749, 8121, 18949, 24363, 56847, 73089, 110987, 170541, 332961, 511623, 776909, 998883, 2330727, 2996649, 6992181, 20976543]

約数ペア:

[(1, 20976543), (3, 6992181), (7, 2996649), (9, 2330727), (21, 998883), (27, 776909), (41, 511623), (63, 332961), (123, 170541), (189, 110987), (287, 73089), (369, 56847), (861, 24363), (1107, 18949), (2583, 8121), (2707, 7749)]