20902742

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{48163}}^1$

素因数の和:48203

約数の個数: 16

約数和(自身を含む): 36989952

約数和(自身を除く): 16087210

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 48163, 96326, 337141, 674282, 1493053, 2986106, 10451371, 20902742]

約数ペア:

[(1, 20902742), (2, 10451371), (7, 2986106), (14, 1493053), (31, 674282), (62, 337141), (217, 96326), (434, 48163)]