20803708

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14407}}^1$

素因数の和:14449

約数の個数: 18

約数和(自身を含む): 38426136

約数和(自身を除く): 17622428

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14407, 28814, 57628, 273733, 547466, 1094932, 5200927, 10401854, 20803708]

約数ペア:

[(1, 20803708), (2, 10401854), (4, 5200927), (19, 1094932), (38, 547466), (76, 273733), (361, 57628), (722, 28814), (1444, 14407)]