20586939

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 27947040

約数和(自身を除く): 7360101

約数列:

[1, 3, 109, 157, 327, 401, 471, 1203, 17113, 43709, 51339, 62957, 131127, 188871, 6862313, 20586939]

約数ペア:

[(1, 20586939), (3, 6862313), (109, 188871), (157, 131127), (327, 62957), (401, 51339), (471, 43709), (1203, 17113)]