20249159

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 4385209

約数列:

[1, 7, 17, 119, 263, 647, 1841, 4471, 4529, 10999, 31297, 76993, 170161, 1191127, 2892737, 20249159]

約数ペア:

[(1, 20249159), (7, 2892737), (17, 1191127), (119, 170161), (263, 76993), (647, 31297), (1841, 10999), (4471, 4529)]