20764184

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8623}}^1$

素因数の和:8679

約数の個数: 32

約数和(自身を含む): 45534720

約数和(自身を除く): 24770536

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8623, 17246, 34492, 60361, 68984, 120722, 241444, 370789, 482888, 741578, 1483156, 2595523, 2966312, 5191046, 10382092, 20764184]

約数ペア:

[(1, 20764184), (2, 10382092), (4, 5191046), (7, 2966312), (8, 2595523), (14, 1483156), (28, 741578), (43, 482888), (56, 370789), (86, 241444), (172, 120722), (301, 68984), (344, 60361), (602, 34492), (1204, 17246), (2408, 8623)]