20189008

素因数分解:

$2^4\times 7^1\times {\mathrm{180259}}^1$

素因数の和:180274

約数の個数: 20

約数和(自身を含む): 44704480

約数和(自身を除く): 24515472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180259, 360518, 721036, 1261813, 1442072, 2523626, 2884144, 5047252, 10094504, 20189008]

約数ペア:

[(1, 20189008), (2, 10094504), (4, 5047252), (7, 2884144), (8, 2523626), (14, 1442072), (16, 1261813), (28, 721036), (56, 360518), (112, 180259)]