20406977145

素因数分解:

$3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{821}}^1\times {\mathrm{1021}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 35515391184

約数和(自身を除く): 15108414039

約数列:

[1, 3, 5, 9, 15, 45, 541, 821, 1021, 1623, 2463, 2705, 3063, 4105, 4869, 5105, 7389, 8115, 9189, 12315, 15315, 24345, 36945, 45945, 444161, 552361, 838241, 1332483, 1657083, 2220805, 2514723, 2761805, 3997449, 4191205, 4971249, 6662415, 7544169, 8285415, 12573615, 19987245, 24856245, 37720845, 453488381, 1360465143, 2267441905, 4081395429, 6802325715, 20406977145]

約数ペア:

[(1, 20406977145), (3, 6802325715), (5, 4081395429), (9, 2267441905), (15, 1360465143), (45, 453488381), (541, 37720845), (821, 24856245), (1021, 19987245), (1623, 12573615), (2463, 8285415), (2705, 7544169), (3063, 6662415), (4105, 4971249), (4869, 4191205), (5105, 3997449), (7389, 2761805), (8115, 2514723), (9189, 2220805), (12315, 1657083), (15315, 1332483), (24345, 838241), (36945, 552361), (45945, 444161)]