20203922

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4679}}^1$

素因数の和:4825

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 12144238

約数列:

[1, 2, 17, 34, 127, 254, 2159, 4318, 4679, 9358, 79543, 159086, 594233, 1188466, 10101961, 20203922]

約数ペア:

[(1, 20203922), (2, 10101961), (17, 1188466), (34, 594233), (127, 159086), (254, 79543), (2159, 9358), (4318, 4679)]