20286830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28573}}^1$

素因数の和:28651

約数の個数: 16

約数和(自身を含む): 37031904

約数和(自身を除く): 16745074

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28573, 57146, 142865, 285730, 2028683, 4057366, 10143415, 20286830]

約数ペア:

[(1, 20286830), (2, 10143415), (5, 4057366), (10, 2028683), (71, 285730), (142, 142865), (355, 57146), (710, 28573)]