20517088

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8783}}^1$

素因数の和:8866

約数の個数: 24

約数和(自身を含む): 40951008

約数和(自身を除く): 20433920

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8783, 17566, 35132, 70264, 140528, 281056, 641159, 1282318, 2564636, 5129272, 10258544, 20517088]

約数ペア:

[(1, 20517088), (2, 10258544), (4, 5129272), (8, 2564636), (16, 1282318), (32, 641159), (73, 281056), (146, 140528), (292, 70264), (584, 35132), (1168, 17566), (2336, 8783)]