20740904

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25171}}^1$

素因数の和:25280

約数の個数: 16

約数和(自身を含む): 39268320

約数和(自身を除く): 18527416

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25171, 50342, 100684, 201368, 2592613, 5185226, 10370452, 20740904]

約数ペア:

[(1, 20740904), (2, 10370452), (4, 5185226), (8, 2592613), (103, 201368), (206, 100684), (412, 50342), (824, 25171)]