20315792

素因数分解:

$2^4\times 7^2\times {\mathrm{25913}}^1$

素因数の和:25935

約数の個数: 30

約数和(自身を含む): 45790038

約数和(自身を除く): 25474246

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25913, 51826, 103652, 181391, 207304, 362782, 414608, 725564, 1269737, 1451128, 2539474, 2902256, 5078948, 10157896, 20315792]

約数ペア:

[(1, 20315792), (2, 10157896), (4, 5078948), (7, 2902256), (8, 2539474), (14, 1451128), (16, 1269737), (28, 725564), (49, 414608), (56, 362782), (98, 207304), (112, 181391), (196, 103652), (392, 51826), (784, 25913)]