20688047314

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{260417}}^1$

素因数の和:260610

約数の個数: 32

約数和(自身を含む): 35550182016

約数和(自身を除く): 14862134702

約数列:

[1, 2, 11, 22, 23, 46, 157, 253, 314, 506, 1727, 3454, 3611, 7222, 39721, 79442, 260417, 520834, 2864587, 5729174, 5989591, 11979182, 40885469, 65885501, 81770938, 131771002, 449740159, 899480318, 940365787, 1880731574, 10344023657, 20688047314]

約数ペア:

[(1, 20688047314), (2, 10344023657), (11, 1880731574), (22, 940365787), (23, 899480318), (46, 449740159), (157, 131771002), (253, 81770938), (314, 65885501), (506, 40885469), (1727, 11979182), (3454, 5989591), (3611, 5729174), (7222, 2864587), (39721, 520834), (79442, 260417)]