20843672

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19889}}^1$

素因数の和:20026

約数の個数: 16

約数和(自身を含む): 39382200

約数和(自身を除く): 18538528

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19889, 39778, 79556, 159112, 2605459, 5210918, 10421836, 20843672]

約数ペア:

[(1, 20843672), (2, 10421836), (4, 5210918), (8, 2605459), (131, 159112), (262, 79556), (524, 39778), (1048, 19889)]