20517466

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4721}}^1$

素因数の和:4817

約数の個数: 16

約数和(自身を含む): 32128488

約数和(自身を除く): 11611022

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4346, 4721, 9442, 193561, 250213, 387122, 500426, 10258733, 20517466]

約数ペア:

[(1, 20517466), (2, 10258733), (41, 500426), (53, 387122), (82, 250213), (106, 193561), (2173, 9442), (4346, 4721)]