20440846

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{1123}}^1$

素因数の和:1623

約数の個数: 16

約数和(自身を含む): 32371200

約数和(自身を除く): 11930354

約数列:

[1, 2, 19, 38, 479, 958, 1123, 2246, 9101, 18202, 21337, 42674, 537917, 1075834, 10220423, 20440846]

約数ペア:

[(1, 20440846), (2, 10220423), (19, 1075834), (38, 537917), (479, 42674), (958, 21337), (1123, 18202), (2246, 9101)]