20500772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2521}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 38132640

約数和(自身を除く): 17631868

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2521, 4066, 5042, 8132, 10084, 47899, 95798, 191596, 269747, 539494, 1078988, 5125193, 10250386, 20500772]

約数ペア:

[(1, 20500772), (2, 10250386), (4, 5125193), (19, 1078988), (38, 539494), (76, 269747), (107, 191596), (214, 95798), (428, 47899), (2033, 10084), (2521, 8132), (4066, 5042)]