20511470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293021}}^1$

素因数の和:293035

約数の個数: 16

約数和(自身を含む): 42195168

約数和(自身を除く): 21683698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293021, 586042, 1465105, 2051147, 2930210, 4102294, 10255735, 20511470]

約数ペア:

[(1, 20511470), (2, 10255735), (5, 4102294), (7, 2930210), (10, 2051147), (14, 1465105), (35, 586042), (70, 293021)]