20858707959

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1\times {\mathrm{323707}}^1$

素因数の和:324214

約数の個数: 16

約数和(自身を含む): 28465586688

約数和(自身を除く): 7606878729

約数列:

[1, 3, 47, 141, 457, 1371, 21479, 64437, 323707, 971121, 15214229, 45642687, 147934099, 443802297, 6952902653, 20858707959]

約数ペア:

[(1, 20858707959), (3, 6952902653), (47, 443802297), (141, 147934099), (457, 45642687), (1371, 15214229), (21479, 971121), (64437, 323707)]