20386437010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22906109}}^1$

素因数の和:22906205

約数の個数: 16

約数和(自身を含む): 37107898200

約数和(自身を除く): 16721461190

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22906109, 45812218, 114530545, 229061090, 2038643701, 4077287402, 10193218505, 20386437010]

約数ペア:

[(1, 20386437010), (2, 10193218505), (5, 4077287402), (10, 2038643701), (89, 229061090), (178, 114530545), (445, 45812218), (890, 22906109)]