20803552

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8443}}^1$

素因数の和:8471

約数の個数: 48

約数和(自身を含む): 51069312

約数和(自身を除く): 30265760

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8443, 16886, 33772, 59101, 67544, 92873, 118202, 135088, 185746, 236404, 270176, 371492, 472808, 650111, 742984, 945616, 1300222, 1485968, 1891232, 2600444, 2971936, 5200888, 10401776, 20803552]

約数ペア:

[(1, 20803552), (2, 10401776), (4, 5200888), (7, 2971936), (8, 2600444), (11, 1891232), (14, 1485968), (16, 1300222), (22, 945616), (28, 742984), (32, 650111), (44, 472808), (56, 371492), (77, 270176), (88, 236404), (112, 185746), (154, 135088), (176, 118202), (224, 92873), (308, 67544), (352, 59101), (616, 33772), (1232, 16886), (2464, 8443)]