20199311984

素因数分解:

$2^4\times {\mathrm{1297}}^1\times {\mathrm{973367}}^1$

素因数の和:974672

約数の個数: 20

約数和(自身を含む): 39166381584

約数和(自身を除く): 18967069600

約数列:

[1, 2, 4, 8, 16, 1297, 2594, 5188, 10376, 20752, 973367, 1946734, 3893468, 7786936, 15573872, 1262456999, 2524913998, 5049827996, 10099655992, 20199311984]

約数ペア:

[(1, 20199311984), (2, 10099655992), (4, 5049827996), (8, 2524913998), (16, 1262456999), (1297, 15573872), (2594, 7786936), (5188, 3893468), (10376, 1946734), (20752, 973367)]