20742802

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1931}}^1$

素因数の和:2105

約数の個数: 16

約数和(自身を含む): 32133024

約数和(自身を除く): 11390222

約数列:

[1, 2, 41, 82, 131, 262, 1931, 3862, 5371, 10742, 79171, 158342, 252961, 505922, 10371401, 20742802]

約数ペア:

[(1, 20742802), (2, 10371401), (41, 505922), (82, 252961), (131, 158342), (262, 79171), (1931, 10742), (3862, 5371)]