20084942007

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{174991}}^1$

素因数の和:175125

約数の個数: 40

約数和(自身を含む): 32608009280

約数和(自身を除く): 12523067273

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 327, 351, 981, 1053, 1417, 2943, 4251, 8829, 12753, 38259, 114777, 174991, 524973, 1574919, 2274883, 4724757, 6824649, 14174271, 19074019, 20473947, 57222057, 61421841, 171666171, 184265523, 247962247, 514998513, 743886741, 1544995539, 2231660223, 6694980669, 20084942007]

約数ペア:

[(1, 20084942007), (3, 6694980669), (9, 2231660223), (13, 1544995539), (27, 743886741), (39, 514998513), (81, 247962247), (109, 184265523), (117, 171666171), (327, 61421841), (351, 57222057), (981, 20473947), (1053, 19074019), (1417, 14174271), (2943, 6824649), (4251, 4724757), (8829, 2274883), (12753, 1574919), (38259, 524973), (114777, 174991)]