20016861

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4231}}^1$

素因数の和:4336

約数の個数: 16

約数和(自身を含む): 28439040

約数和(自身を除く): 8422179

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4231, 4731, 12693, 80389, 241167, 351173, 1053519, 6672287, 20016861]

約数ペア:

[(1, 20016861), (3, 6672287), (19, 1053519), (57, 351173), (83, 241167), (249, 80389), (1577, 12693), (4231, 4731)]