20576540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8101}}^1$

素因数の和:8237

約数の個数: 24

約数和(自身を含む): 43556352

約数和(自身を除く): 22979812

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 8101, 16202, 32404, 40505, 81010, 162020, 1028827, 2057654, 4115308, 5144135, 10288270, 20576540]

約数ペア:

[(1, 20576540), (2, 10288270), (4, 5144135), (5, 4115308), (10, 2057654), (20, 1028827), (127, 162020), (254, 81010), (508, 40505), (635, 32404), (1270, 16202), (2540, 8101)]