20806623

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 11204577

約数列:

[1, 3, 9, 17, 51, 153, 239, 569, 717, 1707, 2151, 4063, 5121, 9673, 12189, 29019, 36567, 87057, 135991, 407973, 1223919, 2311847, 6935541, 20806623]

約数ペア:

[(1, 20806623), (3, 6935541), (9, 2311847), (17, 1223919), (51, 407973), (153, 135991), (239, 87057), (569, 36567), (717, 29019), (1707, 12189), (2151, 9673), (4063, 5121)]