20870446

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{491}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 32041008

約数和(自身を除く): 11170562

約数列:

[1, 2, 53, 106, 401, 491, 802, 982, 21253, 26023, 42506, 52046, 196891, 393782, 10435223, 20870446]

約数ペア:

[(1, 20870446), (2, 10435223), (53, 393782), (106, 196891), (401, 52046), (491, 42506), (802, 26023), (982, 21253)]