20545128468

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2605927}}^1$

素因数の和:2606013

約数の個数: 48

約数和(自身を含む): 53994828160

約数和(自身を除く): 33449699692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2628, 3942, 7884, 2605927, 5211854, 7817781, 10423708, 15635562, 23453343, 31271124, 46906686, 70360029, 93813372, 140720058, 190232671, 281440116, 380465342, 570698013, 760930684, 1141396026, 1712094039, 2282792052, 3424188078, 5136282117, 6848376156, 10272564234, 20545128468]

約数ペア:

[(1, 20545128468), (2, 10272564234), (3, 6848376156), (4, 5136282117), (6, 3424188078), (9, 2282792052), (12, 1712094039), (18, 1141396026), (27, 760930684), (36, 570698013), (54, 380465342), (73, 281440116), (108, 190232671), (146, 140720058), (219, 93813372), (292, 70360029), (438, 46906686), (657, 31271124), (876, 23453343), (1314, 15635562), (1971, 10423708), (2628, 7817781), (3942, 5211854), (7884, 2605927)]