20975312

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5101}}^1$

素因数の和:5366

約数の個数: 20

約数和(自身を含む): 40805796

約数和(自身を除く): 19830484

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5101, 10202, 20404, 40808, 81616, 1310957, 2621914, 5243828, 10487656, 20975312]

約数ペア:

[(1, 20975312), (2, 10487656), (4, 5243828), (8, 2621914), (16, 1310957), (257, 81616), (514, 40808), (1028, 20404), (2056, 10202), (4112, 5101)]