20872329

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4373}}^1$

素因数の和:4456

約数の個数: 16

約数和(自身を含む): 29253312

約数和(自身を除く): 8380983

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4373, 4773, 13119, 161801, 188039, 485403, 564117, 6957443, 20872329]

約数ペア:

[(1, 20872329), (3, 6957443), (37, 564117), (43, 485403), (111, 188039), (129, 161801), (1591, 13119), (4373, 4773)]