20405148

素因数分解:

$2^2\times 3^1\times {\mathrm{1049}}^1\times {\mathrm{1621}}^1$

素因数の和:2677

約数の個数: 24

約数和(自身を含む): 47686800

約数和(自身を除く): 27281652

約数列:

[1, 2, 3, 4, 6, 12, 1049, 1621, 2098, 3147, 3242, 4196, 4863, 6294, 6484, 9726, 12588, 19452, 1700429, 3400858, 5101287, 6801716, 10202574, 20405148]

約数ペア:

[(1, 20405148), (2, 10202574), (3, 6801716), (4, 5101287), (6, 3400858), (12, 1700429), (1049, 19452), (1621, 12588), (2098, 9726), (3147, 6484), (3242, 6294), (4196, 4863)]