20165594920

素因数分解:

$2^3\times 5^1\times {\mathrm{7069}}^1\times {\mathrm{71317}}^1$

素因数の和:78397

約数の個数: 32

約数和(自身を含む): 45379643400

約数和(自身を除く): 25214048480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7069, 14138, 28276, 35345, 56552, 70690, 71317, 141380, 142634, 282760, 285268, 356585, 570536, 713170, 1426340, 2852680, 504139873, 1008279746, 2016559492, 2520699365, 4033118984, 5041398730, 10082797460, 20165594920]

約数ペア:

[(1, 20165594920), (2, 10082797460), (4, 5041398730), (5, 4033118984), (8, 2520699365), (10, 2016559492), (20, 1008279746), (40, 504139873), (7069, 2852680), (14138, 1426340), (28276, 713170), (35345, 570536), (56552, 356585), (70690, 285268), (71317, 282760), (141380, 142634)]