20173890981

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1\times {\mathrm{76471}}^1$

素因数の和:78392

約数の個数: 16

約数和(自身を含む): 27485872128

約数和(自身を除く): 7311981147

約数列:

[1, 3, 47, 141, 1871, 5613, 76471, 87937, 229413, 263811, 3594137, 10782411, 143077241, 429231723, 6724630327, 20173890981]

約数ペア:

[(1, 20173890981), (3, 6724630327), (47, 429231723), (141, 143077241), (1871, 10782411), (5613, 3594137), (76471, 263811), (87937, 229413)]