20566998

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1777}}^1$

素因数の和:2428

約数の個数: 24

約数和(自身を含む): 44656248

約数和(自身を除く): 24089250

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1777, 1929, 3554, 3858, 5331, 5787, 10662, 11574, 15993, 31986, 1142611, 2285222, 3427833, 6855666, 10283499, 20566998]

約数ペア:

[(1, 20566998), (2, 10283499), (3, 6855666), (6, 3427833), (9, 2285222), (18, 1142611), (643, 31986), (1286, 15993), (1777, 11574), (1929, 10662), (3554, 5787), (3858, 5331)]