20825206

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:795

約数の個数: 16

約数和(自身を含む): 31739904

約数和(自身を除く): 10914698

約数列:

[1, 2, 127, 163, 254, 326, 503, 1006, 20701, 41402, 63881, 81989, 127762, 163978, 10412603, 20825206]

約数ペア:

[(1, 20825206), (2, 10412603), (127, 163978), (163, 127762), (254, 81989), (326, 63881), (503, 41402), (1006, 20701)]