20214705

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{3929}}^1$

素因数の和:3958

約数の個数: 32

約数和(自身を含む): 37728000

約数和(自身を除く): 17513295

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 3929, 5145, 11787, 19645, 27503, 58935, 82509, 137515, 192521, 412545, 577563, 962605, 1347647, 2887815, 4042941, 6738235, 20214705]

約数ペア:

[(1, 20214705), (3, 6738235), (5, 4042941), (7, 2887815), (15, 1347647), (21, 962605), (35, 577563), (49, 412545), (105, 192521), (147, 137515), (245, 82509), (343, 58935), (735, 27503), (1029, 19645), (1715, 11787), (3929, 5145)]