20781039

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{1039}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 28454400

約数和(自身を除く): 7673361

約数列:

[1, 3, 59, 113, 177, 339, 1039, 3117, 6667, 20001, 61301, 117407, 183903, 352221, 6927013, 20781039]

約数ペア:

[(1, 20781039), (3, 6927013), (59, 352221), (113, 183903), (177, 117407), (339, 61301), (1039, 20001), (3117, 6667)]