20197247

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 24460800

約数和(自身を除く): 4263553

約数列:

[1, 7, 19, 133, 181, 839, 1267, 3439, 5873, 15941, 24073, 111587, 151859, 1063013, 2885321, 20197247]

約数ペア:

[(1, 20197247), (7, 2885321), (19, 1063013), (133, 151859), (181, 111587), (839, 24073), (1267, 15941), (3439, 5873)]