20408900864

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7247479}}^1$

素因数の和:7247506

約数の個数: 36

約数和(自身を含む): 44441547360

約数和(自身を除く): 24032646496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7247479, 14494958, 28989916, 57979832, 79722269, 115959664, 159444538, 231919328, 318889076, 463838656, 637778152, 927677312, 1275556304, 1855354624, 2551112608, 5102225216, 10204450432, 20408900864]

約数ペア:

[(1, 20408900864), (2, 10204450432), (4, 5102225216), (8, 2551112608), (11, 1855354624), (16, 1275556304), (22, 927677312), (32, 637778152), (44, 463838656), (64, 318889076), (88, 231919328), (128, 159444538), (176, 115959664), (256, 79722269), (352, 57979832), (704, 28989916), (1408, 14494958), (2816, 7247479)]