20865542

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5023}}^1$

素因数の和:5123

約数の個数: 16

約数和(自身を含む): 32796672

約数和(自身を除く): 11931130

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 5023, 10046, 155713, 311426, 336541, 673082, 10432771, 20865542]

約数ペア:

[(1, 20865542), (2, 10432771), (31, 673082), (62, 336541), (67, 311426), (134, 155713), (2077, 10046), (4154, 5023)]