20726797966

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47757599}}^1$

素因数の和:47757639

約数の個数: 16

約数和(自身を含む): 36677836800

約数和(自身を除く): 15951038834

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47757599, 95515198, 334303193, 668606386, 1480485569, 2960971138, 10363398983, 20726797966]

約数ペア:

[(1, 20726797966), (2, 10363398983), (7, 2960971138), (14, 1480485569), (31, 668606386), (62, 334303193), (217, 95515198), (434, 47757599)]