20087515472

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{1952519}}^1$

素因数の和:1953170

約数の個数: 20

約数和(自身を含む): 38980109280

約数和(自身を除く): 18892593808

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 1952519, 3905038, 7810076, 15620152, 31240304, 1255469717, 2510939434, 5021878868, 10043757736, 20087515472]

約数ペア:

[(1, 20087515472), (2, 10043757736), (4, 5021878868), (8, 2510939434), (16, 1255469717), (643, 31240304), (1286, 15620152), (2572, 7810076), (5144, 3905038), (10288, 1952519)]