20684642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14033}}^1$

素因数の和:14113

約数の個数: 16

約数和(自身を含む): 34355232

約数和(自身を除く): 13670590

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14033, 28066, 154363, 308726, 940211, 1880422, 10342321, 20684642]

約数ペア:

[(1, 20684642), (2, 10342321), (11, 1880422), (22, 940211), (67, 308726), (134, 154363), (737, 28066), (1474, 14033)]