20248569

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12929031

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 237, 297, 711, 863, 869, 2133, 2589, 2607, 7767, 7821, 9493, 23301, 23463, 28479, 68177, 85437, 204531, 256311, 613593, 749947, 1840779, 2249841, 6749523, 20248569]

約数ペア:

[(1, 20248569), (3, 6749523), (9, 2249841), (11, 1840779), (27, 749947), (33, 613593), (79, 256311), (99, 204531), (237, 85437), (297, 68177), (711, 28479), (863, 23463), (869, 23301), (2133, 9493), (2589, 7821), (2607, 7767)]