20645696

素因数分解:

$2^6\times {\mathrm{322589}}^1$

素因数の和:322601

約数の個数: 14

約数和(自身を含む): 40968930

約数和(自身を除く): 20323234

約数列:

[1, 2, 4, 8, 16, 32, 64, 322589, 645178, 1290356, 2580712, 5161424, 10322848, 20645696]

約数ペア:

[(1, 20645696), (2, 10322848), (4, 5161424), (8, 2580712), (16, 1290356), (32, 645178), (64, 322589)]