20165566477

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{963799}}^1$

素因数の和:963881

約数の個数: 16

約数和(自身を含む): 23902240000

約数和(自身を除く): 3736673523

約数列:

[1, 7, 49, 61, 343, 427, 2989, 20923, 963799, 6746593, 47226151, 58791739, 330583057, 411542173, 2880795211, 20165566477]

約数ペア:

[(1, 20165566477), (7, 2880795211), (49, 411542173), (61, 330583057), (343, 58791739), (427, 47226151), (2989, 6746593), (20923, 963799)]