20781646257

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{569251}}^1$

素因数の和:569580

約数の個数: 16

約数和(自身を含む): 28453491968

約数和(自身を除く): 7671845711

約数列:

[1, 3, 43, 129, 283, 849, 12169, 36507, 569251, 1707753, 24477793, 73433379, 161098033, 483294099, 6927215419, 20781646257]

約数ペア:

[(1, 20781646257), (3, 6927215419), (43, 483294099), (129, 161098033), (283, 73433379), (849, 24477793), (12169, 1707753), (36507, 569251)]