20147197805

素因数分解:

$5^1\times 7^1\times {\mathrm{7103}}^1\times {\mathrm{81041}}^1$

素因数の和:88156

約数の個数: 16

約数和(自身を含む): 27634673664

約数和(自身を除く): 7487475859

約数列:

[1, 5, 7, 35, 7103, 35515, 49721, 81041, 248605, 405205, 567287, 2836435, 575634223, 2878171115, 4029439561, 20147197805]

約数ペア:

[(1, 20147197805), (5, 4029439561), (7, 2878171115), (35, 575634223), (7103, 2836435), (35515, 567287), (49721, 405205), (81041, 248605)]