2020120816

素因数分解:

$2^4\times 7^1\times {\mathrm{643}}^1\times {\mathrm{28051}}^1$

素因数の和:28709

約数の個数: 40

約数和(自身を含む): 4480241024

約数和(自身を除く): 2460120208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 643, 1286, 2572, 4501, 5144, 9002, 10288, 18004, 28051, 36008, 56102, 72016, 112204, 196357, 224408, 392714, 448816, 785428, 1570856, 3141712, 18036793, 36073586, 72147172, 126257551, 144294344, 252515102, 288588688, 505030204, 1010060408, 2020120816]

約数ペア:

[(1, 2020120816), (2, 1010060408), (4, 505030204), (7, 288588688), (8, 252515102), (14, 144294344), (16, 126257551), (28, 72147172), (56, 36073586), (112, 18036793), (643, 3141712), (1286, 1570856), (2572, 785428), (4501, 448816), (5144, 392714), (9002, 224408), (10288, 196357), (18004, 112204), (28051, 72016), (36008, 56102)]