20764890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{76907}}^1$

素因数の和:76923

約数の個数: 32

約数和(自身を含む): 55373760

約数和(自身を除く): 34608870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 76907, 153814, 230721, 384535, 461442, 692163, 769070, 1153605, 1384326, 2076489, 2307210, 3460815, 4152978, 6921630, 10382445, 20764890]

約数ペア:

[(1, 20764890), (2, 10382445), (3, 6921630), (5, 4152978), (6, 3460815), (9, 2307210), (10, 2076489), (15, 1384326), (18, 1153605), (27, 769070), (30, 692163), (45, 461442), (54, 384535), (90, 230721), (135, 153814), (270, 76907)]