20572265

素因数分解:

$5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1511}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7732375

約数列:

[1, 5, 7, 35, 389, 1511, 1945, 2723, 7555, 10577, 13615, 52885, 587779, 2938895, 4114453, 20572265]

約数ペア:

[(1, 20572265), (5, 4114453), (7, 2938895), (35, 587779), (389, 52885), (1511, 13615), (1945, 10577), (2723, 7555)]