20138776

素因数分解:

$2^3\times 7^1\times {\mathrm{359621}}^1$

素因数の和:359634

約数の個数: 16

約数和(自身を含む): 43154640

約数和(自身を除く): 23015864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359621, 719242, 1438484, 2517347, 2876968, 5034694, 10069388, 20138776]

約数ペア:

[(1, 20138776), (2, 10069388), (4, 5034694), (7, 2876968), (8, 2517347), (14, 1438484), (28, 719242), (56, 359621)]