20175074992

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{1558643}}^1$

素因数の和:1559460

約数の個数: 20

約数和(自身を含む): 39137550840

約数和(自身を除く): 18962475848

約数列:

[1, 2, 4, 8, 16, 809, 1618, 3236, 6472, 12944, 1558643, 3117286, 6234572, 12469144, 24938288, 1260942187, 2521884374, 5043768748, 10087537496, 20175074992]

約数ペア:

[(1, 20175074992), (2, 10087537496), (4, 5043768748), (8, 2521884374), (16, 1260942187), (809, 24938288), (1618, 12469144), (3236, 6234572), (6472, 3117286), (12944, 1558643)]