20289136

素因数分解:

$2^4\times 7^3\times {\mathrm{3697}}^1$

素因数の和:3726

約数の個数: 40

約数和(自身を含む): 45855200

約数和(自身を除く): 25566064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3697, 5488, 7394, 14788, 25879, 29576, 51758, 59152, 103516, 181153, 207032, 362306, 414064, 724612, 1268071, 1449224, 2536142, 2898448, 5072284, 10144568, 20289136]

約数ペア:

[(1, 20289136), (2, 10144568), (4, 5072284), (7, 2898448), (8, 2536142), (14, 1449224), (16, 1268071), (28, 724612), (49, 414064), (56, 362306), (98, 207032), (112, 181153), (196, 103516), (343, 59152), (392, 51758), (686, 29576), (784, 25879), (1372, 14788), (2744, 7394), (3697, 5488)]