20429402

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39439}}^1$

素因数の和:39485

約数の個数: 16

約数和(自身を含む): 35969280

約数和(自身を除く): 15539878

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39439, 78878, 276073, 552146, 1459243, 2918486, 10214701, 20429402]

約数ペア:

[(1, 20429402), (2, 10214701), (7, 2918486), (14, 1459243), (37, 552146), (74, 276073), (259, 78878), (518, 39439)]