20886630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16981}}^1$

素因数の和:17032

約数の個数: 32

約数和(自身を含む): 51353568

約数和(自身を除く): 30466938

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 16981, 33962, 50943, 84905, 101886, 169810, 254715, 509430, 696221, 1392442, 2088663, 3481105, 4177326, 6962210, 10443315, 20886630]

約数ペア:

[(1, 20886630), (2, 10443315), (3, 6962210), (5, 4177326), (6, 3481105), (10, 2088663), (15, 1392442), (30, 696221), (41, 509430), (82, 254715), (123, 169810), (205, 101886), (246, 84905), (410, 50943), (615, 33962), (1230, 16981)]