20788936

素因数分解:

$2^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 45749340

約数和(自身を除く): 24960404

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 181, 196, 293, 362, 392, 586, 724, 1172, 1267, 1448, 2051, 2344, 2534, 4102, 5068, 8204, 8869, 10136, 14357, 16408, 17738, 28714, 35476, 53033, 57428, 70952, 106066, 114856, 212132, 371231, 424264, 742462, 1484924, 2598617, 2969848, 5197234, 10394468, 20788936]

約数ペア:

[(1, 20788936), (2, 10394468), (4, 5197234), (7, 2969848), (8, 2598617), (14, 1484924), (28, 742462), (49, 424264), (56, 371231), (98, 212132), (181, 114856), (196, 106066), (293, 70952), (362, 57428), (392, 53033), (586, 35476), (724, 28714), (1172, 17738), (1267, 16408), (1448, 14357), (2051, 10136), (2344, 8869), (2534, 8204), (4102, 5068)]