20781312

素因数分解:

$2^8\times 3^1\times {\mathrm{27059}}^1$

素因数の和:27078

約数の個数: 36

約数和(自身を含む): 55310640

約数和(自身を除く): 34529328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 27059, 54118, 81177, 108236, 162354, 216472, 324708, 432944, 649416, 865888, 1298832, 1731776, 2597664, 3463552, 5195328, 6927104, 10390656, 20781312]

約数ペア:

[(1, 20781312), (2, 10390656), (3, 6927104), (4, 5195328), (6, 3463552), (8, 2597664), (12, 1731776), (16, 1298832), (24, 865888), (32, 649416), (48, 432944), (64, 324708), (96, 216472), (128, 162354), (192, 108236), (256, 81177), (384, 54118), (768, 27059)]