17772020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{126943}}^1$

素因数の和:126959

約数の個数: 24

約数和(自身を含む): 42653184

約数和(自身を除く): 24881164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 126943, 253886, 507772, 634715, 888601, 1269430, 1777202, 2538860, 3554404, 4443005, 8886010, 17772020]

約数ペア:

[(1, 17772020), (2, 8886010), (4, 4443005), (5, 3554404), (7, 2538860), (10, 1777202), (14, 1269430), (20, 888601), (28, 634715), (35, 507772), (70, 253886), (140, 126943)]