20704503

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:914

約数の個数: 16

約数和(自身を含む): 28312416

約数和(自身を除く): 7607913

約数列:

[1, 3, 53, 159, 197, 591, 661, 1983, 10441, 31323, 35033, 105099, 130217, 390651, 6901501, 20704503]

約数ペア:

[(1, 20704503), (3, 6901501), (53, 390651), (159, 130217), (197, 105099), (591, 35033), (661, 31323), (1983, 10441)]