20199251888

素因数分解:

$2^4\times {\mathrm{4759}}^1\times {\mathrm{265277}}^1$

素因数の和:270044

約数の個数: 20

約数和(自身を含む): 39144421680

約数和(自身を除く): 18945169792

約数列:

[1, 2, 4, 8, 16, 4759, 9518, 19036, 38072, 76144, 265277, 530554, 1061108, 2122216, 4244432, 1262453243, 2524906486, 5049812972, 10099625944, 20199251888]

約数ペア:

[(1, 20199251888), (2, 10099625944), (4, 5049812972), (8, 2524906486), (16, 1262453243), (4759, 4244432), (9518, 2122216), (19036, 1061108), (38072, 530554), (76144, 265277)]