20784186

素因数分解:

$2^1\times 3^2\times {\mathrm{487}}^1\times {\mathrm{2371}}^1$

素因数の和:2866

約数の個数: 24

約数和(自身を含む): 45143904

約数和(自身を除く): 24359718

約数列:

[1, 2, 3, 6, 9, 18, 487, 974, 1461, 2371, 2922, 4383, 4742, 7113, 8766, 14226, 21339, 42678, 1154677, 2309354, 3464031, 6928062, 10392093, 20784186]

約数ペア:

[(1, 20784186), (2, 10392093), (3, 6928062), (6, 3464031), (9, 2309354), (18, 1154677), (487, 42678), (974, 21339), (1461, 14226), (2371, 8766), (2922, 7113), (4383, 4742)]