20194563

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4231}}^1$

素因数の和:4314

約数の個数: 16

約数和(自身を含む): 28303616

約数和(自身を除く): 8109053

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4231, 4773, 12693, 156547, 181933, 469641, 545799, 6731521, 20194563]

約数ペア:

[(1, 20194563), (3, 6731521), (37, 545799), (43, 469641), (111, 181933), (129, 156547), (1591, 12693), (4231, 4773)]