20196189

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 32511360

約数和(自身を除く): 12315171

約数列:

[1, 3, 9, 13, 27, 39, 117, 163, 351, 353, 489, 1059, 1467, 2119, 3177, 4401, 4589, 6357, 9531, 13767, 19071, 41301, 57213, 57539, 123903, 172617, 517851, 748007, 1553553, 2244021, 6732063, 20196189]

約数ペア:

[(1, 20196189), (3, 6732063), (9, 2244021), (13, 1553553), (27, 748007), (39, 517851), (117, 172617), (163, 123903), (351, 57539), (353, 57213), (489, 41301), (1059, 19071), (1467, 13767), (2119, 9531), (3177, 6357), (4401, 4589)]