20805814935

素因数分解:

$3^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{524803}}^1$

素因数の和:525695

約数の個数: 24

約数和(自身を含む): 36104415984

約数和(自身を除く): 15298601049

約数列:

[1, 3, 5, 9, 15, 45, 881, 2643, 4405, 7929, 13215, 39645, 524803, 1574409, 2624015, 4723227, 7872045, 23616135, 462351443, 1387054329, 2311757215, 4161162987, 6935271645, 20805814935]

約数ペア:

[(1, 20805814935), (3, 6935271645), (5, 4161162987), (9, 2311757215), (15, 1387054329), (45, 462351443), (881, 23616135), (2643, 7872045), (4405, 4723227), (7929, 2624015), (13215, 1574409), (39645, 524803)]