20194696845

素因数分解:

$3^4\times 5^1\times {\mathrm{49863449}}^1$

素因数の和:49863466

約数の個数: 20

約数和(自身を含む): 36200864700

約数和(自身を除く): 16006167855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49863449, 149590347, 249317245, 448771041, 747951735, 1346313123, 2243855205, 4038939369, 6731565615, 20194696845]

約数ペア:

[(1, 20194696845), (3, 6731565615), (5, 4038939369), (9, 2243855205), (15, 1346313123), (27, 747951735), (45, 448771041), (81, 249317245), (135, 149590347), (405, 49863449)]