220154540

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{20347}}^1$

素因数の和:20897

約数の個数: 24

約数和(自身を含む): 463201872

約数和(自身を除く): 243047332

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 20347, 40694, 81388, 101735, 203470, 406940, 11007727, 22015454, 44030908, 55038635, 110077270, 220154540]

約数ペア:

[(1, 220154540), (2, 110077270), (4, 55038635), (5, 44030908), (10, 22015454), (20, 11007727), (541, 406940), (1082, 203470), (2164, 101735), (2705, 81388), (5410, 40694), (10820, 20347)]