20834464

素因数分解:

$2^5\times 7^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 47186496

約数和(自身を除く): 26352032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 281, 331, 562, 662, 1124, 1324, 1967, 2248, 2317, 2648, 3934, 4496, 4634, 5296, 7868, 8992, 9268, 10592, 15736, 18536, 31472, 37072, 62944, 74144, 93011, 186022, 372044, 651077, 744088, 1302154, 1488176, 2604308, 2976352, 5208616, 10417232, 20834464]

約数ペア:

[(1, 20834464), (2, 10417232), (4, 5208616), (7, 2976352), (8, 2604308), (14, 1488176), (16, 1302154), (28, 744088), (32, 651077), (56, 372044), (112, 186022), (224, 93011), (281, 74144), (331, 62944), (562, 37072), (662, 31472), (1124, 18536), (1324, 15736), (1967, 10592), (2248, 9268), (2317, 8992), (2648, 7868), (3934, 5296), (4496, 4634)]