20316735

素因数分解:

$3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{887}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 35324640

約数和(自身を除く): 15007905

約数列:

[1, 3, 5, 9, 15, 45, 509, 887, 1527, 2545, 2661, 4435, 4581, 7635, 7983, 13305, 22905, 39915, 451483, 1354449, 2257415, 4063347, 6772245, 20316735]

約数ペア:

[(1, 20316735), (3, 6772245), (5, 4063347), (9, 2257415), (15, 1354449), (45, 451483), (509, 39915), (887, 22905), (1527, 13305), (2545, 7983), (2661, 7635), (4435, 4581)]