20271531

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56783}}^1$

素因数の和:56810

約数の個数: 16

約数和(自身を含む): 32707584

約数和(自身を除く): 12436053

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56783, 170349, 397481, 965311, 1192443, 2895933, 6757177, 20271531]

約数ペア:

[(1, 20271531), (3, 6757177), (7, 2895933), (17, 1192443), (21, 965311), (51, 397481), (119, 170349), (357, 56783)]