20703220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45007}}^1$

素因数の和:45039

約数の個数: 24

約数和(自身を含む): 45368064

約数和(自身を除く): 24664844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45007, 90014, 180028, 225035, 450070, 900140, 1035161, 2070322, 4140644, 5175805, 10351610, 20703220]

約数ペア:

[(1, 20703220), (2, 10351610), (4, 5175805), (5, 4140644), (10, 2070322), (20, 1035161), (23, 900140), (46, 450070), (92, 225035), (115, 180028), (230, 90014), (460, 45007)]