20662066

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1033}}^1$

素因数の和:1245

約数の個数: 16

約数和(自身を含む): 31677624

約数和(自身を除く): 11015558

約数列:

[1, 2, 73, 137, 146, 274, 1033, 2066, 10001, 20002, 75409, 141521, 150818, 283042, 10331033, 20662066]

約数ペア:

[(1, 20662066), (2, 10331033), (73, 283042), (137, 150818), (146, 141521), (274, 75409), (1033, 20002), (2066, 10001)]