20493774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{162649}}^1$

素因数の和:162664

約数の個数: 24

約数和(自身を含む): 50746800

約数和(自身を除く): 30253026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 162649, 325298, 487947, 975894, 1138543, 1463841, 2277086, 2927682, 3415629, 6831258, 10246887, 20493774]

約数ペア:

[(1, 20493774), (2, 10246887), (3, 6831258), (6, 3415629), (7, 2927682), (9, 2277086), (14, 1463841), (18, 1138543), (21, 975894), (42, 487947), (63, 325298), (126, 162649)]