20438702

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{2111}}^1$

素因数の和:2263

約数の個数: 16

約数和(自身を含む): 31629312

約数和(自身を除く): 11190610

約数列:

[1, 2, 47, 94, 103, 206, 2111, 4222, 4841, 9682, 99217, 198434, 217433, 434866, 10219351, 20438702]

約数ペア:

[(1, 20438702), (2, 10219351), (47, 434866), (94, 217433), (103, 198434), (206, 99217), (2111, 9682), (4222, 4841)]