20097974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1373}}^1$

素因数の和:1951

約数の個数: 16

約数和(自身を含む): 32547312

約数和(自身を除く): 12449338

約数列:

[1, 2, 13, 26, 563, 1126, 1373, 2746, 7319, 14638, 17849, 35698, 772999, 1545998, 10048987, 20097974]

約数ペア:

[(1, 20097974), (2, 10048987), (13, 1545998), (26, 772999), (563, 35698), (1126, 17849), (1373, 14638), (2746, 7319)]