20777906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8161}}^1$

素因数の和:8249

約数の個数: 16

約数和(自身を含む): 33300960

約数和(自身を除く): 12523054

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8161, 16322, 155059, 310118, 546787, 1093574, 10388953, 20777906]

約数ペア:

[(1, 20777906), (2, 10388953), (19, 1093574), (38, 546787), (67, 310118), (134, 155059), (1273, 16322), (2546, 8161)]