20661822

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10531}}^1$

素因数の和:10648

約数の個数: 24

約数和(自身を含む): 45182280

約数和(自身を除く): 24520458

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10531, 21062, 31593, 63186, 94779, 189558, 1147879, 2295758, 3443637, 6887274, 10330911, 20661822]

約数ペア:

[(1, 20661822), (2, 10330911), (3, 6887274), (6, 3443637), (9, 2295758), (18, 1147879), (109, 189558), (218, 94779), (327, 63186), (654, 31593), (981, 21062), (1962, 10531)]