20131377826

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1\times {\mathrm{20771}}^1$

素因数の和:21534

約数の個数: 32

約数和(自身を含む): 34888983552

約数和(自身を除く): 14757605726

約数列:

[1, 2, 7, 14, 107, 214, 647, 749, 1294, 1498, 4529, 9058, 20771, 41542, 69229, 138458, 145397, 290794, 484603, 969206, 2222497, 4444994, 13438837, 15557479, 26877674, 31114958, 94071859, 188143718, 1437955559, 2875911118, 10065688913, 20131377826]

約数ペア:

[(1, 20131377826), (2, 10065688913), (7, 2875911118), (14, 1437955559), (107, 188143718), (214, 94071859), (647, 31114958), (749, 26877674), (1294, 15557479), (1498, 13438837), (4529, 4444994), (9058, 2222497), (20771, 969206), (41542, 484603), (69229, 290794), (138458, 145397)]