20555734

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1171}}^1$

素因数の和:1371

約数の個数: 16

約数和(自身を含む): 31559616

約数和(自身を除く): 11003882

約数列:

[1, 2, 67, 131, 134, 262, 1171, 2342, 8777, 17554, 78457, 153401, 156914, 306802, 10277867, 20555734]

約数ペア:

[(1, 20555734), (2, 10277867), (67, 306802), (131, 156914), (134, 153401), (262, 78457), (1171, 17554), (2342, 8777)]