20120367519

素因数分解:

$3^4\times 7^1\times {\mathrm{35485657}}^1$

素因数の和:35485676

約数の個数: 20

約数和(自身を含む): 34350116944

約数和(自身を除く): 14229749425

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35485657, 106456971, 248399599, 319370913, 745198797, 958112739, 2235596391, 2874338217, 6706789173, 20120367519]

約数ペア:

[(1, 20120367519), (3, 6706789173), (7, 2874338217), (9, 2235596391), (21, 958112739), (27, 745198797), (63, 319370913), (81, 248399599), (189, 106456971), (567, 35485657)]