20411902

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63391}}^1$

素因数の和:63423

約数の個数: 16

約数和(自身を含む): 36513792

約数和(自身を除く): 16101890

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63391, 126782, 443737, 887474, 1457993, 2915986, 10205951, 20411902]

約数ペア:

[(1, 20411902), (2, 10205951), (7, 2915986), (14, 1457993), (23, 887474), (46, 443737), (161, 126782), (322, 63391)]