20473660

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3643}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 43159536

約数和(自身を除く): 22685876

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 3643, 5620, 7286, 14572, 18215, 36430, 72860, 1023683, 2047366, 4094732, 5118415, 10236830, 20473660]

約数ペア:

[(1, 20473660), (2, 10236830), (4, 5118415), (5, 4094732), (10, 2047366), (20, 1023683), (281, 72860), (562, 36430), (1124, 18215), (1405, 14572), (2810, 7286), (3643, 5620)]