20299785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7237}}^1$

素因数の和:7273

約数の個数: 32

約数和(自身を含む): 37521792

約数和(自身を除く): 17222007

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7237, 21711, 36185, 79607, 108555, 123029, 238821, 369087, 398035, 615145, 1194105, 1353319, 1845435, 4059957, 6766595, 20299785]

約数ペア:

[(1, 20299785), (3, 6766595), (5, 4059957), (11, 1845435), (15, 1353319), (17, 1194105), (33, 615145), (51, 398035), (55, 369087), (85, 238821), (165, 123029), (187, 108555), (255, 79607), (561, 36185), (935, 21711), (2805, 7237)]