20162221808

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11560907}}^1$

素因数の和:11561024

約数の個数: 20

約数和(自身を含む): 39422696280

約数和(自身を除く): 19260474472

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11560907, 23121814, 46243628, 92487256, 184974512, 1260138863, 2520277726, 5040555452, 10081110904, 20162221808]

約数ペア:

[(1, 20162221808), (2, 10081110904), (4, 5040555452), (8, 2520277726), (16, 1260138863), (109, 184974512), (218, 92487256), (436, 46243628), (872, 23121814), (1744, 11560907)]