20451856

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{3793}}^1$

素因数の和:4138

約数の個数: 20

約数和(自身を含む): 39753532

約数和(自身を除く): 19301676

約数列:

[1, 2, 4, 8, 16, 337, 674, 1348, 2696, 3793, 5392, 7586, 15172, 30344, 60688, 1278241, 2556482, 5112964, 10225928, 20451856]

約数ペア:

[(1, 20451856), (2, 10225928), (4, 5112964), (8, 2556482), (16, 1278241), (337, 60688), (674, 30344), (1348, 15172), (2696, 7586), (3793, 5392)]