20199289481

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{16673}}^1\times {\mathrm{9109}}^1$

素因数の和:25808

約数の個数: 16

約数和(自身を含む): 24304022400

約数和(自身を除く): 4104732919

約数列:

[1, 7, 19, 133, 9109, 16673, 63763, 116711, 173071, 316787, 1211497, 2217509, 151874357, 1063120499, 2885612783, 20199289481]

約数ペア:

[(1, 20199289481), (7, 2885612783), (19, 1063120499), (133, 151874357), (9109, 2217509), (16673, 1211497), (63763, 316787), (116711, 173071)]