20213641540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43942699}}^1$

素因数の和:43942731

約数の個数: 24

約数和(自身を含む): 44294241600

約数和(自身を除く): 24080600060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43942699, 87885398, 175770796, 219713495, 439426990, 878853980, 1010682077, 2021364154, 4042728308, 5053410385, 10106820770, 20213641540]

約数ペア:

[(1, 20213641540), (2, 10106820770), (4, 5053410385), (5, 4042728308), (10, 2021364154), (20, 1010682077), (23, 878853980), (46, 439426990), (92, 219713495), (115, 175770796), (230, 87885398), (460, 43942699)]