20509218

素因数分解:

$2^1\times 3^2\times {\mathrm{547}}^1\times {\mathrm{2083}}^1$

素因数の和:2638

約数の個数: 24

約数和(自身を含む): 44539248

約数和(自身を除く): 24030030

約数列:

[1, 2, 3, 6, 9, 18, 547, 1094, 1641, 2083, 3282, 4166, 4923, 6249, 9846, 12498, 18747, 37494, 1139401, 2278802, 3418203, 6836406, 10254609, 20509218]

約数ペア:

[(1, 20509218), (2, 10254609), (3, 6836406), (6, 3418203), (9, 2278802), (18, 1139401), (547, 37494), (1094, 18747), (1641, 12498), (2083, 9846), (3282, 6249), (4166, 4923)]