20605896

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 56241900

約数和(自身を除く): 35636004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2089, 2466, 3288, 4178, 4932, 6267, 8356, 9864, 12534, 16712, 18801, 25068, 37602, 50136, 75204, 150408, 286193, 572386, 858579, 1144772, 1717158, 2289544, 2575737, 3434316, 5151474, 6868632, 10302948, 20605896]

約数ペア:

[(1, 20605896), (2, 10302948), (3, 6868632), (4, 5151474), (6, 3434316), (8, 2575737), (9, 2289544), (12, 1717158), (18, 1144772), (24, 858579), (36, 572386), (72, 286193), (137, 150408), (274, 75204), (411, 50136), (548, 37602), (822, 25068), (1096, 18801), (1233, 16712), (1644, 12534), (2089, 9864), (2466, 8356), (3288, 6267), (4178, 4932)]