20581022

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18298978

約数列:

[1, 2, 7, 11, 14, 22, 77, 107, 154, 214, 749, 1177, 1249, 1498, 2354, 2498, 8239, 8743, 13739, 16478, 17486, 27478, 96173, 133643, 192346, 267286, 935501, 1470073, 1871002, 2940146, 10290511, 20581022]

約数ペア:

[(1, 20581022), (2, 10290511), (7, 2940146), (11, 1871002), (14, 1470073), (22, 935501), (77, 267286), (107, 192346), (154, 133643), (214, 96173), (749, 27478), (1177, 17486), (1249, 16478), (1498, 13739), (2354, 8743), (2498, 8239)]