20129771721

素因数分解:

$3^1\times {\mathrm{349}}^1\times {\mathrm{3593}}^1\times {\mathrm{5351}}^1$

素因数の和:9296

約数の個数: 16

約数和(自身を含む): 26929123200

約数和(自身を除く): 6799351479

約数列:

[1, 3, 349, 1047, 3593, 5351, 10779, 16053, 1253957, 1867499, 3761871, 5602497, 19226143, 57678429, 6709923907, 20129771721]

約数ペア:

[(1, 20129771721), (3, 6709923907), (349, 57678429), (1047, 19226143), (3593, 5602497), (5351, 3761871), (10779, 1867499), (16053, 1253957)]