20758038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{971}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 47589120

約数和(自身を除く): 26831082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509, 971, 1018, 1527, 1942, 2913, 3054, 3563, 5826, 6797, 7126, 10689, 13594, 20391, 21378, 40782, 494239, 988478, 1482717, 2965434, 3459673, 6919346, 10379019, 20758038]

約数ペア:

[(1, 20758038), (2, 10379019), (3, 6919346), (6, 3459673), (7, 2965434), (14, 1482717), (21, 988478), (42, 494239), (509, 40782), (971, 21378), (1018, 20391), (1527, 13594), (1942, 10689), (2913, 7126), (3054, 6797), (3563, 5826)]