20993312

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16001}}^1$

素因数の和:16052

約数の個数: 24

約数和(自身を含む): 42341292

約数和(自身を除く): 21347980

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16001, 32002, 64004, 128008, 256016, 512032, 656041, 1312082, 2624164, 5248328, 10496656, 20993312]

約数ペア:

[(1, 20993312), (2, 10496656), (4, 5248328), (8, 2624164), (16, 1312082), (32, 656041), (41, 512032), (82, 256016), (164, 128008), (328, 64004), (656, 32002), (1312, 16001)]