20189914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8863}}^1$

素因数の和:8949

約数の個数: 16

約数和(自身を含む): 32548608

約数和(自身を除く): 12358694

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8863, 17726, 150671, 301342, 593821, 1187642, 10094957, 20189914]

約数ペア:

[(1, 20189914), (2, 10094957), (17, 1187642), (34, 593821), (67, 301342), (134, 150671), (1139, 17726), (2278, 8863)]