20195949

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{859}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 8411091

約数列:

[1, 3, 17, 51, 461, 859, 1383, 2577, 7837, 14603, 23511, 43809, 395999, 1187997, 6731983, 20195949]

約数ペア:

[(1, 20195949), (3, 6731983), (17, 1187997), (51, 395999), (461, 43809), (859, 23511), (1383, 14603), (2577, 7837)]