20497288

素因数分解:

$2^3\times 7^2\times {\mathrm{52289}}^1$

素因数の和:52309

約数の個数: 24

約数和(自身を含む): 44707950

約数和(自身を除く): 24210662

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52289, 104578, 209156, 366023, 418312, 732046, 1464092, 2562161, 2928184, 5124322, 10248644, 20497288]

約数ペア:

[(1, 20497288), (2, 10248644), (4, 5124322), (7, 2928184), (8, 2562161), (14, 1464092), (28, 732046), (49, 418312), (56, 366023), (98, 209156), (196, 104578), (392, 52289)]