20847559

素因数分解:

${\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 22729248

約数和(自身を除く): 1881689

約数列:

[1, 17, 73, 107, 157, 1241, 1819, 2669, 7811, 11461, 16799, 132787, 194837, 285583, 1226327, 20847559]

約数ペア:

[(1, 20847559), (17, 1226327), (73, 285583), (107, 194837), (157, 132787), (1241, 16799), (1819, 11461), (2669, 7811)]