20875690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1879}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 41420160

約数和(自身を除く): 20544470

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1879, 2222, 3758, 5555, 9395, 11110, 18790, 20669, 41338, 103345, 189779, 206690, 379558, 948895, 1897790, 2087569, 4175138, 10437845, 20875690]

約数ペア:

[(1, 20875690), (2, 10437845), (5, 4175138), (10, 2087569), (11, 1897790), (22, 948895), (55, 379558), (101, 206690), (110, 189779), (202, 103345), (505, 41338), (1010, 20669), (1111, 18790), (1879, 11110), (2222, 9395), (3758, 5555)]