20647612

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2281}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 37826432

約数和(自身を除く): 17178820

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 2281, 4526, 4562, 9052, 9124, 70711, 141422, 166513, 282844, 333026, 666052, 5161903, 10323806, 20647612]

約数ペア:

[(1, 20647612), (2, 10323806), (4, 5161903), (31, 666052), (62, 333026), (73, 282844), (124, 166513), (146, 141422), (292, 70711), (2263, 9124), (2281, 9052), (4526, 4562)]