20820534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1471}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 47763456

約数和(自身を除く): 26942922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 337, 674, 1011, 1471, 2022, 2359, 2942, 4413, 4718, 7077, 8826, 10297, 14154, 20594, 30891, 61782, 495727, 991454, 1487181, 2974362, 3470089, 6940178, 10410267, 20820534]

約数ペア:

[(1, 20820534), (2, 10410267), (3, 6940178), (6, 3470089), (7, 2974362), (14, 1487181), (21, 991454), (42, 495727), (337, 61782), (674, 30891), (1011, 20594), (1471, 14154), (2022, 10297), (2359, 8826), (2942, 7077), (4413, 4718)]