20382649

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{463}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 24647680

約数和(自身を除く): 4265031

約数列:

[1, 7, 19, 133, 331, 463, 2317, 3241, 6289, 8797, 44023, 61579, 153253, 1072771, 2911807, 20382649]

約数ペア:

[(1, 20382649), (7, 2911807), (19, 1072771), (133, 153253), (331, 61579), (463, 44023), (2317, 8797), (3241, 6289)]