20397486

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{25951}}^1$

素因数の和:26087

約数の個数: 16

約数和(自身を含む): 41107968

約数和(自身を除く): 20710482

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 25951, 51902, 77853, 155706, 3399581, 6799162, 10198743, 20397486]

約数ペア:

[(1, 20397486), (2, 10198743), (3, 6799162), (6, 3399581), (131, 155706), (262, 77853), (393, 51902), (786, 25951)]