20871036135

素因数分解:

$3^2\times 5^1\times {\mathrm{4049}}^1\times {\mathrm{114547}}^1$

素因数の和:118607

約数の個数: 24

約数和(自身を含む): 36185713200

約数和(自身を除く): 15314677065

約数列:

[1, 3, 5, 9, 15, 45, 4049, 12147, 20245, 36441, 60735, 114547, 182205, 343641, 572735, 1030923, 1718205, 5154615, 463800803, 1391402409, 2319004015, 4174207227, 6957012045, 20871036135]

約数ペア:

[(1, 20871036135), (3, 6957012045), (5, 4174207227), (9, 2319004015), (15, 1391402409), (45, 463800803), (4049, 5154615), (12147, 1718205), (20245, 1030923), (36441, 572735), (60735, 343641), (114547, 182205)]