20299971

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 28121760

約数和(自身を除く): 7821789

約数列:

[1, 3, 29, 87, 353, 661, 1059, 1983, 10237, 19169, 30711, 57507, 233333, 699999, 6766657, 20299971]

約数ペア:

[(1, 20299971), (3, 6766657), (29, 699999), (87, 233333), (353, 57507), (661, 30711), (1059, 19169), (1983, 10237)]