20803910416

素因数分解:

$2^4\times {\mathrm{2963}}^1\times {\mathrm{438827}}^1$

素因数の和:441798

約数の個数: 20

約数和(自身を含む): 40321271952

約数和(自身を除く): 19517361536

約数列:

[1, 2, 4, 8, 16, 2963, 5926, 11852, 23704, 47408, 438827, 877654, 1755308, 3510616, 7021232, 1300244401, 2600488802, 5200977604, 10401955208, 20803910416]

約数ペア:

[(1, 20803910416), (2, 10401955208), (4, 5200977604), (8, 2600488802), (16, 1300244401), (2963, 7021232), (5926, 3510616), (11852, 1755308), (23704, 877654), (47408, 438827)]