20199956

素因数分解:

$2^2\times 7^3\times {\mathrm{14723}}^1$

素因数の和:14748

約数の個数: 24

約数和(自身を含む): 41227200

約数和(自身を除く): 21027244

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14723, 29446, 58892, 103061, 206122, 412244, 721427, 1442854, 2885708, 5049989, 10099978, 20199956]

約数ペア:

[(1, 20199956), (2, 10099978), (4, 5049989), (7, 2885708), (14, 1442854), (28, 721427), (49, 412244), (98, 206122), (196, 103061), (343, 58892), (686, 29446), (1372, 14723)]