20791356

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 51383808

約数和(自身を除く): 30592452

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 71, 92, 138, 142, 213, 276, 284, 426, 852, 1061, 1633, 2122, 3183, 3266, 4244, 4899, 6366, 6532, 9798, 12732, 19596, 24403, 48806, 73209, 75331, 97612, 146418, 150662, 225993, 292836, 301324, 451986, 903972, 1732613, 3465226, 5197839, 6930452, 10395678, 20791356]

約数ペア:

[(1, 20791356), (2, 10395678), (3, 6930452), (4, 5197839), (6, 3465226), (12, 1732613), (23, 903972), (46, 451986), (69, 301324), (71, 292836), (92, 225993), (138, 150662), (142, 146418), (213, 97612), (276, 75331), (284, 73209), (426, 48806), (852, 24403), (1061, 19596), (1633, 12732), (2122, 9798), (3183, 6532), (3266, 6366), (4244, 4899)]