20197617868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{184669}}^1$

素因数の和:185449

約数の個数: 24

約数和(自身を含む): 36350442800

約数和(自身を除く): 16152824932

約数列:

[1, 2, 4, 37, 74, 148, 739, 1478, 2956, 27343, 54686, 109372, 184669, 369338, 738676, 6832753, 13665506, 27331012, 136470391, 272940782, 545881564, 5049404467, 10098808934, 20197617868]

約数ペア:

[(1, 20197617868), (2, 10098808934), (4, 5049404467), (37, 545881564), (74, 272940782), (148, 136470391), (739, 27331012), (1478, 13665506), (2956, 6832753), (27343, 738676), (54686, 369338), (109372, 184669)]