20503238

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20627}}^1$

素因数の和:20707

約数の個数: 16

約数和(自身を含む): 35645184

約数和(自身を除く): 15141946

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20627, 41254, 144389, 288778, 1464517, 2929034, 10251619, 20503238]

約数ペア:

[(1, 20503238), (2, 10251619), (7, 2929034), (14, 1464517), (71, 288778), (142, 144389), (497, 41254), (994, 20627)]