20129817

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 27444672

約数和(自身を除く): 7314855

約数列:

[1, 3, 61, 183, 317, 347, 951, 1041, 19337, 21167, 58011, 63501, 109999, 329997, 6709939, 20129817]

約数ペア:

[(1, 20129817), (3, 6709939), (61, 329997), (183, 109999), (317, 63501), (347, 58011), (951, 21167), (1041, 19337)]