20784678

素因数分解:

$2^1\times 3^1\times {\mathrm{367}}^1\times {\mathrm{9439}}^1$

素因数の和:9811

約数の個数: 16

約数和(自身を含む): 41687040

約数和(自身を除く): 20902362

約数列:

[1, 2, 3, 6, 367, 734, 1101, 2202, 9439, 18878, 28317, 56634, 3464113, 6928226, 10392339, 20784678]

約数ペア:

[(1, 20784678), (2, 10392339), (3, 6928226), (6, 3464113), (367, 56634), (734, 28317), (1101, 18878), (2202, 9439)]