20876079

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52321}}^1$

素因数の和:52350

約数の個数: 16

約数和(自身を含む): 33486080

約数和(自身を除く): 12610001

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 52321, 156963, 366247, 994099, 1098741, 2982297, 6958693, 20876079]

約数ペア:

[(1, 20876079), (3, 6958693), (7, 2982297), (19, 1098741), (21, 994099), (57, 366247), (133, 156963), (399, 52321)]