20903643

素因数分解:

$3^3\times {\mathrm{331}}^1\times {\mathrm{2339}}^1$

素因数の和:2679

約数の個数: 16

約数和(自身を含む): 31075200

約数和(自身を除く): 10171557

約数列:

[1, 3, 9, 27, 331, 993, 2339, 2979, 7017, 8937, 21051, 63153, 774209, 2322627, 6967881, 20903643]

約数ペア:

[(1, 20903643), (3, 6967881), (9, 2322627), (27, 774209), (331, 63153), (993, 21051), (2339, 8937), (2979, 7017)]