20147155

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10861}}^1$

素因数の和:10926

約数の個数: 16

約数和(自身を含む): 28154304

約数和(自身を除く): 8007149

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 10861, 54305, 76027, 380135, 575633, 2878165, 4029431, 20147155]

約数ペア:

[(1, 20147155), (5, 4029431), (7, 2878165), (35, 575633), (53, 380135), (265, 76027), (371, 54305), (1855, 10861)]