20843178

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{8663}}^1$

素因数の和:9069

約数の個数: 16

約数和(自身を含む): 41795136

約数和(自身を除く): 20951958

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 8663, 17326, 25989, 51978, 3473863, 6947726, 10421589, 20843178]

約数ペア:

[(1, 20843178), (2, 10421589), (3, 6947726), (6, 3473863), (401, 51978), (802, 25989), (1203, 17326), (2406, 8663)]