20380649

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 22029840

約数和(自身を除く): 1649191

約数列:

[1, 29, 41, 61, 281, 1189, 1769, 2501, 8149, 11521, 17141, 72529, 334109, 497089, 702781, 20380649]

約数ペア:

[(1, 20380649), (29, 702781), (41, 497089), (61, 334109), (281, 72529), (1189, 17141), (1769, 11521), (2501, 8149)]