20874478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{4493}}^1$

素因数の和:4619

約数の個数: 16

約数和(自身を含む): 33003936

約数和(自身を除く): 12129458

約数列:

[1, 2, 23, 46, 101, 202, 2323, 4493, 4646, 8986, 103339, 206678, 453793, 907586, 10437239, 20874478]

約数ペア:

[(1, 20874478), (2, 10437239), (23, 907586), (46, 453793), (101, 206678), (202, 103339), (2323, 8986), (4493, 4646)]