20022784

素因数分解:

$2^9\times {\mathrm{39107}}^1$

素因数の和:39125

約数の個数: 20

約数和(自身を含む): 40007484

約数和(自身を除く): 19984700

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39107, 78214, 156428, 312856, 625712, 1251424, 2502848, 5005696, 10011392, 20022784]

約数ペア:

[(1, 20022784), (2, 10011392), (4, 5005696), (8, 2502848), (16, 1251424), (32, 625712), (64, 312856), (128, 156428), (256, 78214), (512, 39107)]