20403291256

素因数分解:

$2^3\times {\mathrm{2207}}^1\times {\mathrm{1155601}}^1$

素因数の和:1157814

約数の個数: 16

約数和(自身を含む): 38273538240

約数和(自身を除く): 17870246984

約数列:

[1, 2, 4, 8, 2207, 4414, 8828, 17656, 1155601, 2311202, 4622404, 9244808, 2550411407, 5100822814, 10201645628, 20403291256]

約数ペア:

[(1, 20403291256), (2, 10201645628), (4, 5100822814), (8, 2550411407), (2207, 9244808), (4414, 4622404), (8828, 2311202), (17656, 1155601)]