2047780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14627}}^1$

素因数の和:14643

約数の個数: 24

約数和(自身を含む): 4915008

約数和(自身を除く): 2867228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14627, 29254, 58508, 73135, 102389, 146270, 204778, 292540, 409556, 511945, 1023890, 2047780]

約数ペア:

[(1, 2047780), (2, 1023890), (4, 511945), (5, 409556), (7, 292540), (10, 204778), (14, 146270), (20, 102389), (28, 73135), (35, 58508), (70, 29254), (140, 14627)]