20366563

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 24178176

約数和(自身を除く): 3811613

約数列:

[1, 7, 43, 71, 301, 497, 953, 3053, 6671, 21371, 40979, 67663, 286853, 473641, 2909509, 20366563]

約数ペア:

[(1, 20366563), (7, 2909509), (43, 473641), (71, 286853), (301, 67663), (497, 40979), (953, 21371), (3053, 6671)]