20682858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16981}}^1$

素因数の和:17022

約数の個数: 32

約数和(自身を含む): 48908160

約数和(自身を除く): 28225302

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 16981, 33962, 50943, 101886, 118867, 237734, 356601, 492449, 713202, 984898, 1477347, 2954694, 3447143, 6894286, 10341429, 20682858]

約数ペア:

[(1, 20682858), (2, 10341429), (3, 6894286), (6, 3447143), (7, 2954694), (14, 1477347), (21, 984898), (29, 713202), (42, 492449), (58, 356601), (87, 237734), (174, 118867), (203, 101886), (406, 50943), (609, 33962), (1218, 16981)]