20656552

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6047}}^1$

素因数の和:6121

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24340568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6047, 12094, 24188, 42329, 48376, 84658, 169316, 338632, 368867, 737734, 1475468, 2582069, 2950936, 5164138, 10328276, 20656552]

約数ペア:

[(1, 20656552), (2, 10328276), (4, 5164138), (7, 2950936), (8, 2582069), (14, 1475468), (28, 737734), (56, 368867), (61, 338632), (122, 169316), (244, 84658), (427, 48376), (488, 42329), (854, 24188), (1708, 12094), (3416, 6047)]