20498344

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{30871}}^1$

素因数の和:30960

約数の個数: 16

約数和(自身を含む): 38898720

約数和(自身を除く): 18400376

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 30871, 61742, 123484, 246968, 2562293, 5124586, 10249172, 20498344]

約数ペア:

[(1, 20498344), (2, 10249172), (4, 5124586), (8, 2562293), (83, 246968), (166, 123484), (332, 61742), (664, 30871)]