1022020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 2167704

約数和(自身を除く): 1145684

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 373, 548, 685, 746, 1370, 1492, 1865, 2740, 3730, 7460, 51101, 102202, 204404, 255505, 511010, 1022020]

約数ペア:

[(1, 1022020), (2, 511010), (4, 255505), (5, 204404), (10, 102202), (20, 51101), (137, 7460), (274, 3730), (373, 2740), (548, 1865), (685, 1492), (746, 1370)]