20483197

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{457}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 24768640

約数和(自身を除く): 4285443

約数列:

[1, 7, 19, 133, 337, 457, 2359, 3199, 6403, 8683, 44821, 60781, 154009, 1078063, 2926171, 20483197]

約数ペア:

[(1, 20483197), (7, 2926171), (19, 1078063), (133, 154009), (337, 60781), (457, 44821), (2359, 8683), (3199, 6403)]