20173086787

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1\times {\mathrm{2381}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 24116206464

約数和(自身を除く): 3943119677

約数列:

[1, 7, 41, 53, 287, 371, 557, 2173, 2381, 3899, 15211, 16667, 22837, 29521, 97621, 126193, 159859, 206647, 683347, 883351, 1210361, 1326217, 5173913, 8472527, 9283519, 36217391, 54374897, 70289501, 380624279, 492026507, 2881869541, 20173086787]

約数ペア:

[(1, 20173086787), (7, 2881869541), (41, 492026507), (53, 380624279), (287, 70289501), (371, 54374897), (557, 36217391), (2173, 9283519), (2381, 8472527), (3899, 5173913), (15211, 1326217), (16667, 1210361), (22837, 883351), (29521, 683347), (97621, 206647), (126193, 159859)]