20892118

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:688

約数の個数: 24

約数和(自身を含む): 34297128

約数和(自身を除く): 13405010

約数列:

[1, 2, 13, 26, 113, 169, 226, 338, 547, 1094, 1469, 2938, 7111, 14222, 19097, 38194, 61811, 92443, 123622, 184886, 803543, 1607086, 10446059, 20892118]

約数ペア:

[(1, 20892118), (2, 10446059), (13, 1607086), (26, 803543), (113, 184886), (169, 123622), (226, 92443), (338, 61811), (547, 38194), (1094, 19097), (1469, 14222), (2938, 7111)]