20512225815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{555661}}^1$

素因数の和:555799

約数の個数: 32

約数和(自身を含む): 34566621696

約数和(自身を除く): 14054395881

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 535, 1605, 2461, 7383, 12305, 36915, 555661, 1666983, 2778305, 8334915, 12780203, 38340609, 59455727, 63901015, 178367181, 191703045, 297278635, 891835905, 1367481721, 4102445163, 6837408605, 20512225815]

約数ペア:

[(1, 20512225815), (3, 6837408605), (5, 4102445163), (15, 1367481721), (23, 891835905), (69, 297278635), (107, 191703045), (115, 178367181), (321, 63901015), (345, 59455727), (535, 38340609), (1605, 12780203), (2461, 8334915), (7383, 2778305), (12305, 1666983), (36915, 555661)]