20782563809

素因数分解:

$7^1\times {\mathrm{251}}^1\times {\mathrm{1621}}^1\times {\mathrm{7297}}^1$

素因数の和:9176

約数の個数: 16

約数和(自身を含む): 23864109696

約数和(自身を除く): 3081545887

約数列:

[1, 7, 251, 1621, 1757, 7297, 11347, 51079, 406871, 1831547, 2848097, 11828437, 12820829, 82799059, 2968937687, 20782563809]

約数ペア:

[(1, 20782563809), (7, 2968937687), (251, 82799059), (1621, 12820829), (1757, 11828437), (7297, 2848097), (11347, 1831547), (51079, 406871)]